Kyoko, the board chair of Tozai Hospital, had lost her husband early on and is having an affair with Dr. Koyama, a psychiatrist. Koyama is the attending physician for her son, Tsuyoshi, who suffered from mild depression and an extreme fear of women. Nurses Nobuko and Yuki had once been rivals vying for the affections of a young doctor named Tachibana, but he had unexpectedly married Kazuko, an office worker. The two nurses conspire to seduce Tachibana...