Three years into her marriage, Miho Ashina lived an ordinary life with no children, caught in a cycle of mundane routines. Though her relationship with her husband wasn't cold, it lacked excitement, leaving her with a quiet sense of boredom. One day, Miho is suddenly kidnapped by a man named Iguchi. Iguchi, socially inept and constantly mocked and bullied by his coworkers, had become deeply twisted due to childhood trauma. The fates of this broken man and the beautiful, elegant married woman unexpectedly collide in a strange and disturbing way.