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——.