Aoi Mukai (Ai), who became the caregiver for her stepfather, felt uneasy about his occasional indulgence and peeking at her while changing. One day, mistaking Ai for his deceased wife, her stepfather rapes her. Unable to confide in her husband, she finds herself having to live with her stepfather. During her husband's absence, her stepfather becomes increasingly bold in his advances on Ai. 'The debauched intercourse of a pure young wife and an old man. Lewd and persistent caresses strip away her refined exterior.'
