In this intricately layered Japanese film, the nature of actresses and what they gain from acting is explored. The lives of three actresses are laid bare, and scenes from their lives are woven in and out of interviews with each of them. Each of them has experienced a traumatic event which contributes to their particular enjoyment of becoming someone else in dramatic roles.
Rikiya Shoda is an engineer working for the Atomic Agency in Japan. One day, his wife Nanako returns home with a lost teenager called Ayu. A man, pretending to be the father, comes to get her back; Ayu keeps telling him that Rikiya and Nanako are her parents. Through this disruption, Rikiya suddenly starts remembering his youth as a revolutionary.
Two interwoven stories. The first is a biography of anarchist Sakae Osugi which follows his relationship with three women in the 1920s. The second centers on two 1960s students researching Osugi's theories.
A spontaneous romance blooms between Kawamura, a professor touring Europe, and Naoko, a married woman living in Paris, scarred by the Nagasaki atomic bombings. The two protagonists travel around Europe trying to find themselves.
Shingo and Ritsuko have a baby: Takashi. They happen to be a happy couple, but soon Ritsuko wants to know who is the true father of Takashi, born by artificial insemination.