While her husband was working, he caused a personal injury accident, so the injured man is recuperating at home. The wife accompanies her husband to apologize, and the man says, "I understand your sincerity, but due to my injuries, I'm overwhelmed with daily chores like cleaning, laundry, and shopping. I'd like your wife to assist me with personal care." As a result, the wife begins visiting his apartment regularly. However, one day, an unexpected incident occurs on the scene.