Tired of poverty, Keiko leaves home and soon takes a lover, but leads a wanton life without paying heed to his advice. However, the younger sister Yoshiko, is an innocent and kind girl. One day, with the sudden death of their mother in a car accident, Keiko learns that she and Yoshiko are actually stepsisters, and that she is the daughter of a murderer. She now plans extortion from Yoshiko's true father who is the president of a well-known trading company.
Bunta Sugawara
Yuji Kawakita
Keiji Takamiya
Kinuko Obata
Junko Ikeuchi
Hiroshi Hayashi
Yōji Misaki
Hiroaki Kurahashi
Takamitsu Watanabe
Yūzō Harumi
Tōru Chiba
Hiroshi Izumida
Masako Fujimura
Katsuko Wakasugi
Masao Takamatsu