Mai, a married woman, sits down to dinner with her husband's boss. The moment her husband leaves the table, Sawaki whispers in her ear, "It's been a month, hasn't it?" On the way home from a wedding at her husband's company, Mai was caught in a drunken act and was unable to resist Sawaki's advances before they had sex. She couldn't resist the fact that she was unfaithful, and her husband's position at work. The despicable middle-aged man threatens Mai by exploiting these two weaknesses... Mai, who has become an outlet for his out-of-control sexual desire, falls into unwanted pleasure again today.