Her husband married the "Rena" he had his eye on, and they were at the peak of happiness. However, "Rena" had a secret. One day, her husband's boss comes to visit. The couple welcomes him into their home and entertains him. While the boss is drunk and asleep, they secretly have sex. After that, her husband also falls asleep. And then "Rena" takes an astonishing action. It turns out that she was the boss's woman!