A dark shadow falls over Hisayo's life as a nurse. Her son is critically injured, and she offers her body to a doctor in exchange for saving him. The doctor goes off the rails, demanding fellatio during work hours and indulging in greedy sex within the hospital, gradually drawing Hisayo into his web. Abandoned by the doctor on a whim, Hisayo tries to soothe her heated body. She then becomes engrossed in sex with her son's friend, revealing her true nature as a woman.
