Airi Kijima's husband works at a factory and is praised for his work ethic, leading to his quick appointment as the head of the business department at headquarters. Airi is very happy that her husband's efforts have been rewarded, but she becomes even more worried because her husband is not accustomed to this new job and cannot deliver results, and he soon encounters trouble with his boss, Yamase. One day, when Airi's husband returns home in a drunken state, his boss Yamase brings him home, and that same day, seeing his subordinate's wife leads him to entertain thoughts of making her his mistress. Yamase made a proposal to help Airi's husband, but with one condition...