Heroic Purgatory (1970) is a Japanese drama film directed by Yoshishige Yoshida. The story revolves around Rikiya Shoda, an engineer at the Atomic Agency, and his wife Nanako, who returns home with a lost teenager named Ayu. As Ayu enters their peaceful life, Rikiya’s memories of his youth as a revolutionary begin to resurface, blurring the lines between past and present.