Shigeru and his wife Maiko are employed by Ozawa's company, which was a business partner, when the construction company they run goes bankrupt due to poor business performance. - Maiko will work as a secretary, and during the day she is alone with Ozawa in the president's office. - Ozawa is concerned about Maiko's constant phone calls, and when he asks her about it, he learns that she has been secretly borrowing money to save her husband's company. - When Ozawa hears this, he sends Maiko a rescue boat and asks for a mistress contract in return...