Woman on the Night Train

Saeko is abnormally attached to her older sister, Yumi. When Yumi becomes engaged to Arikawa, Saeko schemes to separate the two. She seduces Arikawa who then becomes confused over his attraction to both sisters.

Cast: Mari Tanaka, Keiko Tsuzuki, Tomoko Katsura, Kibaji Tankobo, Akemi Yamaguchi, Keisuke Yukioka