Mai, a married woman, sits at the dinner table with her husband and his boss. The moment her husband leaves the room, the boss, Sawaki, whispers in her ear, "It's been a month..." On the way home from her husband's company wedding, a heavily intoxicated Mai had been unable to resist Sawaki's advances and slept with him. The fact of her infidelity, which she couldn't fully reject, and her husband's position at the company—this despicable middle-aged man uses these two weaknesses to blackmail Mai. Turned into an outlet for his runaway sexual desire, Mai falls into unwanted pleasure again today.
