One the Woman

Corrupt prosecutor Jo Yeon-ju sees a lady who looks just like her. Little does she know this encounter is an omen of a huge change in her life.

Yeon-ju finds that she has lost her memory. The wealthy Hanju family tells her she is Kang Mi-na, the daughter-in-law of the company’s chairman.

Yeon-ju’s inheritance is threatened after she makes a fuss. Returning to the scene of her accident, she encounters someone who knew her from before.

The other prosecutors become curious about Yeon-ju’s whereabouts. Yeon-ju finds out who has had her back, and prepares to secure her position.

Han Seung-uk investigates Yeon-ju’s accident. The Hanju chairman’s dark intentions emerge as Yeon-ju is elevated to a new position.

Seung-uk shares stories from the past and becomes closer with Yeon-ju. The Hanju family begins to doubt that this woman is really Kang Mi-na.

Someone makes an attempt on Yeon-ju’s life. When she meets An Yu-jun, she finally realizes her true identity.

While returning to the public prosecutor’s office, Yeon-ju comes across the man who tried to harm her. The encounter jogs her memory.

Yeon-ju distances herself from Seung-uk after discovering that they share an unsavory connection. She coerces Lee Bong-sik, who has useful evidence.

Yeon-ju wakes up feeling foggy after a drunken night. The Hanju Group frames her for corruption. Seung-uk makes a big decision for Yeon-ju.

More people become suspicious of Yeon-ju. When a person with information about Hanju Group wakes from a coma, Yeon-ju learns the truth.

Yeon-ju and Seung-uk investigate the hidden truth behind the Hanju factory fire. Han Seong-hye sets a trap in an attempt to reveal Mi-na’s secret.

A shocking announcement is made at a shareholders' meeting. Yeon-ju sets up her investigation base camp at Seung-uk’s house.

The chairman of Hanju is arrested. The person responsible for the death of Seung-uk’s father is finally revealed, to Yeon-ju's distress.

The real Kang Mi-na is in danger, but Yeon-ju is stuck in jail. Her maneuvering successful, Seong-hye surveys her new corporate empire.

With No Hak-tae’s help, Seong-hye is finally successfully inaugurated. Yeon-ju goes for a drink with Hak-tae, but soon finds herself feeling woozy.