A young woman named Ayako lives with her stepfather, who suffers from asthma, while he takes care of him. Her husband works far away and she doesn't know when he'll return. Despite being weak and unable to refuse her stepfather's advances, Ayako finds herself brutally violated by a wanted criminal who breaks into their home one day. To her surprise, the same man shows up again... As Ayako experiences these traumatic events, she begins to grow stronger and more resilient as a woman.