Following the death of the unmarried and childless Taki, Takeshi, a young relative of hers, discovers several pages of closely written lines in which the old lady has recorded her memories. This is how he learns the truth about her youth working as a housemaid and nanny for the Hirai family in a little house in Tokyo with a red gabled roof.

A lawyer tasked with defending a robbery-and-murder suspect begins developing doubts about what truly happened.

An exceptional marksman and hopeless playboy, private eye Ryo Saeba reluctantly forms an alliance with his late partner's sister to investigate his death.

Ryota is an unpopular writer although he won a literary award 15 years ago. Now, Ryota works as a private detective. He is divorced from his ex-wife Kyoko and he has an 11-year-old son Shingo. His mother Yoshiko lives alone at her apartment. One day, Ryota, his ex-wife Kyoko, and son Shingo gather at Yoshiko's apartment. A typhoon passes and the family must stay there all night long.

Mikami, an ex-yakuza of middle age with most of his life in prison, gets released after serving 13 years of sentence for murder. Hoping to find his long lost mother, from whom he was separated as a child, he applies for a TV show and meets a young TV director Tsunoda. Meanwhile, he struggles to get a proper job and fit into society. His impulsive, adamant nature and ingrained beliefs cause friction in his relationship with Tsunoda and those who want to help him.