A job opportunity reunites talented young confectioner Nao with Tsubaki, a man involved in a tragic event from her childhood 15 years earlier.
Entrusted with menial tasks at Kogetsuan, Nao creates an opportunity to deliver sweets to a longstanding client and get some clues about the incident.
Just as Kyoko interrogates Nao after learning her true identity, a mysterious woman claiming to be Nao’s mother unexpectedly arrives at Kogetsuan.
Seeing Nao and Tsubaki grow closer, Kyoko intensifies her efforts to force Nao to leave Kogetsuan. Jojima invites Nao to visit his room at night.
Tsubaki insists on visiting the restaurant where Nao’s supposed mother works to invite her to the wedding. Later, Nao resolves to tell him everything.
On the day of the tea ceremony, Nao hopes to enter a secluded room only unlocked for special occasions. Kyoko searches for her father-in-law's will.
After Kogetsuan loses an important job to a new competitor, Tsubaki decides to make the next batch of sweets himself. A journalist reopens old wounds.
Takigawa supports an anxious Nao as she prepares to battle for her future. Nao and Tsubaki learn the truth about the fire three years earlier.