Upon learning about a prior case involving Taku, Akiu, and others, Kaede comprehends Taku's deep preoccupation with false accusations. Meanwhile, Taku is assigned to represent the suspect in a shooting death.
Norikura, a wealthy man, dies from carbon monoxide poisoning, and his wife Marina is arrested. She alleges a murder-suicide, while Norikura's ex-wife's son presents Taku with Norikura's will as a motive for Marina's crime.
Taku comes forward to defend Fujita, a potential suspect, when the body of a female university student is discovered on a riverbed. The body bears a wound with a striking resemblance to a murder case that occurred 11 years ago.