Brutal Woman

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 Yoshikos true father who is the president of a wellknown trading company