Poor management of the factory run by her husband. It was getting worse and worse to the extent that even a moment's grace was not allowed. The frustrated couple goes to see a person who is said to be a friend of the husband's school days. However, Aoi Miyama, a beautiful wife who was forced to work at a special bathhouse in a secret hot spring. A number of soap plays by beautiful wives wearing sexy lingerie. In order to pay off her husband's debt, she falls into a hot spring soap.