The highly anticipated lawyer Chisa Matsuoka, affiliated with the largest law firm, was promoted to be responsible for the retrial of the unjust crime of the Ayakawa Incident in Kagawa Prefecture 21 years ago.At the same time, she was one of the victims of another unreported abduction of a girl.Chisa returns to her hometown to investigate and discovers that the three cases may be related. Faced with the suspect Satoshi Hirayama, she struggles with trust and professional ethics.In order to find out the real murderer, she trusted her client Hirayama and defended him. She finally found the truth and overcame the nightmare in the struggle between pain and the past.​

Episode 1

The energetic lawyer Chisa (Alice Hirose) was appointed by senior partner Mayama (Tatsumi Tsurumi) to be in charge of the retrial of the Ayakawa Incident, a girl's abduction and murder case that occurred 21 years ago.

However, Chisa was also one of the victims of the girl abduction incident that occurred at the same time as this incident.There is a high possibility that a series of incidents involve the same prisoner, so Chisa decides to defend Hirayama (Kaiza Kitamura), a man who may want to apologize for herself.Facing Hirayama who insists on his innocence, Chisa is struggling while thinking of countermeasures——.

Episode 2

Hirayama saw Chisa's eagerness to seek the truth and accepted her suggestion.Chisa also witnessed Hirayama's heartfelt accusation and believed that he was innocent. Chisa and Kazuma (Shunsuke Kazama) took action to request a retrial.

Former detective Arimori (Eiji Okuda), who has been close to the victim's bereaved family member Toshie (Naomi Zaizen), showed anger when he learned that Hirayama requested a retrial.On the other hand, Chisa and others were suspicious of the investigation status at the time and wanted to find clues to prove Hirayama's innocence.

Episode 3

Due to the testimony of Imai (Takuma Oto), Hirayama was allowed to stand trial again.However, public opinion of Hirayama remains lukewarm.In order to eliminate doubts, Chisa once again began to pursue the truth of the Ayakawa incident. She went to meet the person who gave an eyewitness testimony at the time.

Arimori and his former detective partner Imai became the target of public criticism after being exposed as evil detectives who forged evidence, and they had no face to face Toshie.At this time, Qiansha once again became suspicious of Hirayama for something.

Episode 4

Qiansha couldn't understand the true meaning of Hirayama's words, and became increasingly uneasy, wondering if she had let a murderer go.She followed Hirayama to a place where Chisa had to face her past.Qiansha was shaken and decided to face Pingshan face to face.

On the other hand, Aimori received a call from a suspicious person, and the situation took a turn.

Episode 5

The body found in the ancient well turned out to be that of another girl who was kidnapped 21 years ago and has not yet been found.Who is the person on the phone?What's the purpose?Yousen, who was manipulated, felt at a loss.Hirayama, who had just been found innocent by the world, could not face this shocking fact calmly, and even more shocking information reached Qiansha...

What is the truth about the incident 21 years ago?After their strong ideas and justice intersect with each other, the ending waiting for them is——.