An old woman has died and her widower with dementia confesses to killing her. After this, the story goes back in time to show the events leading up to her death.

Rentaro Mikuni
as Ryôsaku Morimoto

Chōichirō Kawarasaki
as Yoshio, Ryôsaku's son

Orie Satō
as Ritsuko, Yoshio's wife

Sachiko Murase
as Tatsu, Ryôsaku's wife

Chōei Takahashi
as Takeya Nakamura

Reiko Tajima
as Saeko Nogawa

Kumiko Takeda
as Naoko, Yoshio's daughter

Tetta Sugimoto
as Takao, Yoshio's son

Koichi Sato
as

Masakane Yonekura
as