Returning from Switzerland, a young investigator meets María, his father's new wife. They immediately feel an irresistible attraction, which he tries to overcome by mixing it up with another woman.
This was a sponsored documentary film by director Kazuo Kuroki of Japan. This highly artistic film focused entirely on Japanese marathon runner Kenji Kimihara.
Sonny Chiba's first martial arts film, a partially fictionalized judo biopic based on prominent judoka Shiro Saigo (Chiba), the second student of judo founder Jigoro Kano (Naoki Sugiura).