It is the Warring States period in China. As friends Shin and Hyo practice sword fighting, a minister demands that Hyo accompany him to the palace.
Shin meets Ei Sei, a boy identical to Hyo. Just then, assassin Jo Kan strikes. When Jo Kan laughs that he killed Hyo, Shin tries to avenge his friend.
Shin and Sei try to slip through the armyโs siege with the help of Ka Ryo Ten. Shin is incensed when Sei tells him that Hyo was his body double.
As Shin, Sei and Ten head toward the rendezvous point set up by minister Shou Bun Kun, they are confronted by a new assassin, the bloodthirsty Muta.
Seiโs words of encouragement inspire Shin to unleash his full power. At the capital Kanyou, General Ou Ki delivers Shou Bun Kunโs head.
Outraged by the death of Hyo, Shin threatens Shou Bun Kun. However, Shin is moved when vice minister Heki explains that Hyo died as a hero.
En route to meet the Mountain King, Sei and the others hear rumor of the mountain peopleโs brutal nature. Suddenly, the mountain people surround them!
Shin and the others aim to rescue Sei, but are stunned by the imposing mountain keep. The Mountain King rejects Seiโs offer and calls for his head.
Shin and the others return to camp with the mountain people. They plan the attack on Kanyou. Shin is stunned by how much fewer soldiers they have.
Shin and the others dress as mountain people and slip through the castle gates. This fateful place is where the decisive battle shall be waged!
Shin opens the Crimson Turtle Gate. When the mountain people attack Ketsu Shi, they are met with a shower of arrows! This is the work of Shi Shi.
Shin and Sa Ji engage in a fierce battle. Sa Ji lands a powerful blow to Shinโs head. Just as Shin is about to be killed, Heki joins the battle.
Finally reaching the throne room, Shin faces an unperturbed Prince Sei Kyo. Mountain person Ba Jio battles the giant monster Rankai alone.
Shin and the mountain people continue their desperate struggle in taking on Rankai. Meanwhile, Ou Ki suddenly appears before Sei in the courtyard.
Satisfied by Ei Seiโs reply to his question, Ou Ki retreats. Sei Kyo rushes into the courtyard. Ei Sei decides to end this with his own fists.
Just as peace returns to the palace, a new threat emerges. Chancellor Ryo Fui, who remained a spectator during the Sei Kyo revolt, returns to Kanyou.
Dreaming of becoming a great general, Shin excitedly joins the Qin army in its invasion of Wei. However, they get word that the Qin castle has fallen.
Shin joins the unit of the reckless commander Baku Koshin. As Shin shows his superior swordsmanship against the Wei, the Wei chariot corps strike.
General Duke Hyou of the Qin army launches a cavalry attack. Shin and the others climb a hill to kill Wei general Kyuu Gen.
While Qin has retaken the hill, Shin and the others face 10,000 enemy soldiers. Just as they are about to retreat, Ou Kiโs cavalry appears!
Ou Ki imparts on Shin the true meaning of the general. Leading the charge, Duke Hyou breaks through Weiโs defenses. Which general shall be victorious?
The resourceful tactician Go Kei and brave warrior Duke Hyou engage in one-on-one combat. After the battle, Shin learns what it means to be a general.
Shin is reunited with Kyou Kai. Ten suggests that he invite her over -- when Ten asks the secret of her power, Kyou Kai recalls her past.
Shin demands that his attendant En bring him to Ou Ki to train. Ou Ki agrees to train him, but the training is more extreme than Shin imagined.
As Qinโs main army invades Han, Qin is suddenly attacked by Zhao. Ei Sei issues a conscription order to defend Qin while Ou Ki is given a new mission.
Now a 100-man commander, Shin heads to Bayou behind General Ou Ki. At the palace, Shou Bun Kun is shocked to hear that the Zhao general is Hou Ken.
As the battle between the Qin and Zhao armies begins, Ou Ki gives Shinโs unit a special mission. Can Shin accept this bold and reckless mission?
Shinโs 100-man unit aims to kill the enemy general. Despite a strong start, they are soon surrounded. En makes a hard decision to save the mission.
Despite appearing to struggle against Zhao general Ri Haku the previous day, Mou Buโs army slices through the enemy lines.
Suspicious of Zhaoโs sudden retreat, Ou Ki decides to pursue them. That night at camp, as the Qin soldierโs relax and celebrate, Hou Ken appears.
Both Shin and Kyou Kai are overpowered by Hou Kenโs might. Just then, the Zhao army followed by the Qin army transform the camp into a battlefield.
Shinโs unit carries their leader, knocked unconscious by Hou Ken, into the mountains. The unit bears losses as it defends against endless Zhao attacks.
The remains of Shinโs unit march through the forest with Ou Kiโs army. Mou Bu and Ryuu Kokuโs armies attack the Zhao base without waiting for Ou Ki.
As Mou Buโs army faces annihilation, Ou Kiโs army arrives. The final battle begins. At the palace, Yo Tan Wa gives crucial information about the Zhao.
Reading the enemy strategy, Ou Ki aims for the Zhao army led by Chou So. Hou Ken appears before Ou Ki, prepared to end what began nine years earlier.
When Ei Sei wonders about the history between Ou Ki and Hou Ken, Shou Bun Kun tells the unfortunate tale of Kyou, one of the six great generals of Qin.
Ri Boku appears with a massive army, instantly shifting the battle. Overwhelmingly outnumbered, Qin soldiers grow hopeless while Ou Ki smiles.
Inspired by Ou Ki, who remains unyielding even in the face of death, Shin and the Qin soldiers escape. The long battle finally ends.
Shin rises from his lowly station to become the commander of a 300-man unit for Qin. Meanwhile, King Ei Sei engages in a power struggle with Ryo Fui.
Shin gets called to the palace when Ri Boku suddenly pays Ryo Fui an unexpected visit. As the meeting progresses, Ryo Fui makes a shocking statement.
A lavish banquet is held in celebration of the Qin-Zhao alliance; Shinโs blood boils at the sight of Ri Boku, the man responsible for Ou Kiโs death.
Shin leads his unit in a raid to kill the enemy general. But after breaking through the enemy lines, they find someone calmly awaiting their arrival.
Shin decides to carry out a reckless mission after tasting bitter defeat at the hands of Ou Hon; an unexpected figure brings up a plan at the palace.
Ei Sei heads to the inner palace to see his mother after she emerges as a player in the Qin power struggle with a single letter.
A young Ei Sei gets left behind in Zhao territory after the Battle of Changping. Years later, a merchant is tasked with smuggling the boy into Qin.
Ei Sei and the merchant must pass through five checkpoints in order to reach Qin. At the second checkpoint, an arrow flies into Seiโs hiding spot.
The merchant helps Ei Sei overcome his inner demons, but the Zhao are not far behind. One by one, their companions fall to the enemy attack.
Shinโs unit joins General Mou Gouโs army for the Qin invasion of Wei. Meanwhile, powerful men of the inner palace seek an audience with Sei.
Kou gets stabbed by a eunuch after witnessing a secret meeting between Seiโs mother and Ryo Fui. Meanwhile, Shin, Ou Hon and Mou Ten invade Wei.
Ei Sei takes action against his enemies after Kou tells him about his motherโs affair with Ryo Fui. Meanwhile, Qin struggles to overtake a fortress.
The Qin army captures Kourou Castle, but when Shin sees Qin soldiers assaulting Wei townspeople, he takes up the sword against his own companions.
The King of Wei orders the fearsome General Ren Pa to destroy the Qin army. As Ren Pa returns to the battlefield, Rin Ko begins to operate in secret.
Qin has captured three Wei fortresses, but Rin Ko manages to assassinate several Qin commanders. When he see Rin Ko, Shin does not hesitate to attack.
While Qin soldiers worry about the appearance of Ren Pa, General Mou Gou remains calm. That night, Mou Gou disguises himself as an old foot soldier.
While Ou Hon and Mou Ten are quickly promoted to the rank of thousand-man commander, Shin is only given a temporarily promotion.
Ren Pa and his four commanders prepare for battle as Mou Gou meets with Ou Sen and Kan Ki before his confrontation with his longtime enemy.
Qinโs hastily formed units get pushed back; Shinโs unit alone shows an unflinching thirst for battle as the second wave of attack starts to fall.
Shin charges toward the enemy stronghold as the Qin army gets picked off by Wei archers and war chariots in the confusion caused by Gen Bouโs tricks.
Mou Gou arrives before the Qin army after their crushing defeat against Gen Bouโs tactics. Meanwhile, Kan Ki engages in a battle against Kai Shi Bou.
Shin sets his sights on killing an enemy commander after learning about Kan Ki and Gen Bou. Mou Ten talks to Shin and Ou Hon about a certain idea.
Shin and Ou Hon wait for Mou Ten to give his signal after his unit charges into Rin Koโs army; Rin Koโs seasoned warriors put up quite a fight.
Shin and Ou Hon are given the signal to attack Rin Koโs army, but Rin Koโs ferocity leaves Ou Hon unable to counterattack; Shin is severely wounded.
Heki falls straight into Kyou Enโs deadly trap as his army drives Kyou Enโs army into what appears to be favorable terrain.
Inspired by the sight of the legendary Ren Pa, Wei soldiers force Ou Senโs army to retreat. Meanwhile, Shin is forced to withdraw from his battle.
Shin gets upset when his unit is assigned to play a supporting role, but he learns that he is now more likely to come in conflict with Rin Ko.
When Ren Pa closes in on Mou Gouโs army from behind, Mou Gou calmly counterattacks with a formation he developed over his many years of experience.
Shin demonstrates his incredible mental fortitude during his fight with Rin Ko. Meanwhile, Ren Pa draws ever closer to Mou Gouโs position.
Rin Ko gets up after being cut down by Shin and says that he must win for Ren Pa. Meanwhile, a massive cavalry unit charges toward Kyou Kai.
Shin rushes to Mou Gouโs side after the end of the fierce battle; Ren Pa charges past the last obstacles that stand between him and his old foe.
Shin angrily interjects when Ren Pa insults Ou Ki during his encounter with Mou Gou; Kan Kiโs army launches a surprise attack against the enemy.
After Mou Gou accepts Ren Paโs peace terms, Shin gets lectured on what it takes to become a great general. Kyou Kai sets off on a new journey.
Shin officially becomes a thousand-man commander at a royal ceremony; a new strategist joins Shinโs unit as they struggle to win without Kyou Kai.
Ka Ryo Ten joins Shinโs unit as their strategist. But while Shin respects her determination, he refuses to accept her military advice.
Ka Ryo Ten launches an attack which crushes the Wei vanguard after she realizes that she is being tested, but the Wei strategist makes the next move.
Ri Boku attacks Yan when Qin declares its intention to expand its territory. Ryo Fui gains more political power as he is promoted to a higher status.
Ei Sei informs Sei Kyo that he will accept his long standing proposal. Meanwhile, Shinโs unit heads to Xu to rescue them from the Han army.
Ei Sei is able to halt Ryo Fuiโs rise to power with help from Sei Kyo. Meanwhile, Shin enters a one-on-one duel with Ri Boku.
Qinโs situation seems stable, but some Teng officers inform Xin that a storm is brewing. The Chu army launches a surprise attack on a Qin strongpoint.
Facing an existential threat from the new coalition army, Saitaku approaches Qi with an offer. Unaware of the situation, Xin charges into a battlefield.
Li Mu greets his allied generals and introduces a surprising command structure. Qin crafts a tricky plan to defend Xianyang, but Xin has other ideas.
As the battle at Hangu Pass begins, Li Bai's plan of action surprises Diao. Xin catches up to Lord Biao, who notices the battlefield lacks something.
A second siege tower arrives on the battlefield, shocking Meng Ao and the others on the wall. But Huan Yi coolly devises a counterstrategy.
As the Chu and Qin squads face each other, Xiang Yi unsheathes a fearsome legendary sword. Elsewhere on the battlefield, Teng confronts Lin Wu.
Zhao general Wan Ji describes how 400,000 soldiers were massacred by Bai Qi at Changping. Diao and the Fei Xin Force arrive to assist Xin in battle.
Lord Biao visits Xin's camp and promises to supply him with more soldiers. The next morning, the imposing female general Wa Lin rebukes Bai Li's unit.
As the war drags on, the Qin chancellors discuss their opponentโs likely objective. Li Mu commands the coalition army to launch an all-out attack.
When Wa Lin's war elephants barrel onto the battlefield, Lu Wu Wei and Gan Yang repel the beasts. However, Teng soon finds his army surrounded.
Zhang Tang and Huan Yi descend the wall and slip in among the Wei soldiers before heading toward the Han army camp in a bid to take down Cheng Hui.
While battling Wu Lu Duo's forces in the mountains, Wang Jian's army makes a surprising move. Given command of 5,000 troops, Xiang Yi charges at Teng.
Meng Wu's men fight bravely against the Han Ming army but they lose momentum. Finding the right moment, he charges forth with his remaining soldiers.
As Chu general Han Ming trades mighty blows with Meng Wu, Wa Lin sends her brother to stab Meng Wu in the back. Meng Tian rides out to intercept him.
As the Qin army defends Hangu Pass, a unit of elite Chu soldiers attacks from behind, joining with the Wei forces in their efforts to breach the gate.
The coalition commanders gather to assess their situation, though Li Mu is absent. The Qin strategists learn of a threat approaching from the south.
Having broken through Li Mu's formation, Lord Biao confronts the man himself. But a fearsome and familiar warrior soon arrives to challenge Lord Biao.
As confusion grips Xianyang, Ying Zheng decides to take a huge risk to save his kingdom. Xin's battered and bruised army reaches the Zui castle gates.
In a last-ditch effort to stop Li Muโs incoming army, Ying Zheng inspires the terrified civilians of Zui to join him in defending their city.
Xin's unit and the citizen militia protect the south wall. Meanwhile, Qin general Bi defends the east wall with the remnants of Lord Biao's army.
As he duels with the nimble Fu Di, Xin recalls Qiang Lei's advice. That night, Li Mu's shouting army prevents the Qin soldiers from getting any sleep.
With Zui in peril, Lord Changwen insists that Ying Zheng must escape. Li Mu commands his army to capture the king before launching an all-out assault.
Zui's fate is averted thanks to the arrival of some unexpected aid from the mountains. Before Li Mu can give his army an order, Pang Nuan appears.
Despite his wounds, Xin manages to strike Pang Nuan, who can't hide his shock. Jin Chengchang appears before them with a command from Li Mu.
Lord Changping announces generous rewards for those who fought valiantly for Qin. In a Zhao village, Qiang Lei encounters another member of her clan.
Fighting to avenge her sister, Qiang Lei faces the cruel You Lian, who soon overpowers her with heavy strikes. Qiang Ming watches on in horror.
Recognized for his work in the Battle of Hangu Pass, Shin is promoted to 3000-man commander. Meanwhile, the royal capital of Xianyang welcomes a son.
Despite Qin being in dire financial straits, Lรผ Buwei throws a lavish feast to gain support for his cause. Cheng Jiao resolutely expands his faction.
After his army forces the Zhao troops to retreat, Cheng Jiao enters Tunliu in hopes of seeing Liu Yi but is greeted by a suspicious temporary lord.
The Fei Xin Force and Bi's army lay siege to Tunliu in hopes of rescuing the imprisoned Cheng Jiao, who plans to put a stop to Pu Ge's ambitions.
Liu Yi runs into Xin and his comrades as she searches for someone to help Cheng Jiao, who, despite being heavily wounded, launches an attack on Pu Ge.
Teng summons the Fei Xin Force and Yu Feng Force as reinforcements against the Wei armies. He considers calling for Wang Jian, but Wang Ben objects.
Aiming to reach the Wei army's main camp, the Fei Xin Force fights the first wave of troops. General Kai Meng challenges Xin to a duel.
As the members of the Fei Xin Force debate whether to rescue Diao or ask Teng to call off their mission, Qiang Lei suggests a hostage exchange.
With the Yu Feng Force in danger of getting surrounded by the Wei army, Wang Ben rides forth to cross spears with the fearsome Fire Dragon Zi Bai.
On the third day of Qin's three-pronged attack, the Fei Xin Force clashes with Kai Meng's army but struggles to break through its front lines.
A determined but wounded Wang Ben engages Zi Bai in a rematch, ignoring the advice of one of his high-ranking commanders and refusing to retreat.
With reinforcements from Long Guo's army, the three Qin forces simultaneously push past the Wei defenses and charge toward Wu Fengming's main camp.
Following the battle at Zhuyong, the Qin forces begin the construction of a strategic base. Ying Zheng's mother makes a demand at the royal court.
The queen dowager declares the establishment of a new nation in the northernmost region of Qin, sending shockwaves through the royal court and beyond.
Wang Ben and Xin are promoted for their efforts in Zhuyong. As the nation of Ai grows in power, a government official makes a suggestion to Lao Ai.
Hu Li uses the scandal of the secret children to pressure the queen dowager into raising an army. Ying Zheng prepares for his crowning ceremony.
Surrounded by dignitaries from far and wide, Ying Zheng undergoes the ceremony in the former Qin capital. Meanwhile, the Ai army approaches Xianyang.
The Fei Xin Force links up with allies from Zui and attempts to cross the mighty Wei River, but Duke Rongdi and his men attack from the opposite bank.
Xin's forces arrive at Xianyang, where the Ai army's attack is already underway. As the crowning ceremony ends, an unexpected person raises his voice.
Determined to protect her child, Xiang and her best friend Yang decide to escape to a safe place. Meanwhile, Ying Zheng confronts Lรผ Buwei.
Lรผ Buwei describes his ideal for governance to Ying Zheng. In Xianyang, the Qin forces struggle against the vengeful Duke Rongdi and his army.
With enemy soldiers in hot pursuit, Xiang, Li and Yang attempt to flee to safety. Backed into a corner, Yang prepares to make the ultimate sacrifice.
Arriving at Xianyang with his army and Lord Changwen, Lord Changping carves a path through the enemy soldiers and charges headlong toward Duke Rongdi.
With the rebellion quelled, Lao Ai is brought before Ying Zheng to answer for his crimes. The queen dowager interrupts and takes a surprising action.
Those who took part in the rebellion receive their punishments, though Lรผ Buwei still awaits his judgment. Ying Zheng visits his imprisoned mother.
Qin sets its sights on an impregnable Wei castle. The deaths of Chu's leaders create a power vacuum, which a surprising person is asked to help fill.