Elena lives in a luxurious house, is fully loved by her husband, and lives without any inconvenience. Music college graduate Elena used her spare time to teach piano to students at home, but the only men she met were the tuners and young students who came in and out of her house. She doesn't want to ruin her life with her beloved husband, but she gradually begins to yearn for an exciting life. Elena seduces men who enter and leave the house only for a short period of time, but...