A sensual drama depicting the friendship between a woman who continues to have an affair and a man who provokes her by secretly filming her. Satomi Yoko, who has just made her debut, received high praise for her passionate performance as a woman who drowns her loneliness with infidelity and is also attracted to an unknown voyeur. Maki (Yoko Satomi), who lives alone, invites Yuji (Akira Yokozuka) to her room and they get close to each other, and the act is revealed to the detective hired by his wife (Keiko Seto), but he is caught on camera from the apartment across the street. The presence of Toshiaki (Atsushi Toyama), who spies on Maki and calls Maki every time they have an affair, causes ripples in their muddy relationship.