It seems Kaori is leading a happy life, but she is unsatisfied with her nighttime marital life and is experiencing frustration. During the day, she repeatedly brings young men into her home and engages in infidelity. Eventually, Kaori becomes deeply involved in her affair with a young man who can repeatedly become aroused, rather than her physically declining husband. She desires more secret rendezvous, more desire to be intimate! At such times, fortunately, her husband goes on a three-day business trip. Kaori smiles seductively. The curtain rises on the passion.