50-year-old Kensho Aoto went through a divorce and returned to his hometown. He begins to work for a printing company and lives a quiet life. He has an encounter with Yoko Sudo, whom he last saw 35 years ago in middle school. Yoko is widowed and makes a living by doing part-time work. They start spending time together.

From thugs to yakuza, Taiza Kujo wields the law to defend society's worst. Fellow lawyer, Karasuma doubts his ethics but joins him in facing the abyss.

A series of events leads single, 25-year-old Mikuri Moriyama and 36-year-old Hiramasa Tsuzaki to marry as a cover.

Michiko came to Tokyo to visit Hiromi but was instead found murdered. The renter of Michiko's place is missing. The police are having a hard time solving the case. There are no clues, and a connection between the dead woman and the missing renter is not forthcoming. The only hint is an item found near the corpse, but it complicates matters because it makes the file personal to one of the detectives assigned to the murder.