Noh Chak-hee, the ace lawyer of the big law firm, Jangsan, becomes a public defender overnight and must defend the criminal who killed her loved one.
Episode 1
Noh Chakhee, the ace lawyer of Jangsan, will stop at nothing to win her lawsuits, but the defendant's lawyer, Jwa Sibaek, gets on her nerves.
Episode 2
Chakhee is released with the help of Sibaek. Jangsan's representative lawyer, Jang Gido, sends Chakhee to a public defender's office in Jeongha.
Episode 3
Cho Hyunsik is found murdered kneeling in front of the bathtub; Sibaek, who was worried about Chakhee and had followed her car, is named as one of the suspects and begins to doubt the police.
Episode 4
Chakhee finds out that Sibaek is her next door neighbor and the two grow closer. Sibaek asks Chakhee to take over the case of a deaf client. Chakhee invokes a filibuster to tell a touching story.
Episode 5
The president of Geumsin Electric Company is murdered, apparently in the same way as Cho Hyunsik. The investigation into a serial murder case begins and Chakhee meets the charming Yiyeon.
Episode 6
The director of Haesong Orphanage is found murdered, bringing even more attention to the case. Chakhee finds herself in a difficult situation after being suspected of her relationship with Cho Hyunsik.
Episode 7
Chakhee confesses the mistakes from her past to her client, Yoonjung, and decides to help her. Chakhee listens to Sibaek's heartbreaking story at Moetgol Mandu and the two grow closer.
Episode 8
Police chief Jeon Jaeho barely survives his torture. Chakhee helps Yoonjung prepare a request for retrial against Jeon Jaeho, but she is deeply troubled by the rumours related to her and Cho Hyunsik
Episode 9
Sibaek confesses that he is the culprit behind the serial murders of the wealthy men; Sibaek stays silent and calls Chakhee as his lawyer; Chakhee, who comes to meet the criminal, faces Sibaek.
Episode 10
On the day of Gido's opening ceremony, Byeongcheon is found dead; Gido tries to disguise it as a death from natural causes and cover it up quietly, but the traces of murder cannot be hidden.
Episode 11
Chakhee tracks down Sibaek's true identity and finds out the truth of Byeongcheon and Gido's past.
Episode 12
Chakhee stands in a retrial of a thirty-year-old case to reveal the truth and correct her mistakes.
