One dusk, an office worker hurrying home notices a man about to assault him from behind – stopped only by a colleague… These men harbored resentment against their boss who stole their projects and got promoted to department manager. Unaware of this, Kaho had fallen in love at work and remarried this manager, now preparing to retire as a housewife. Under the guise of a farewell party, they lure Kaho out for drinks to enact their revenge by cuckolding him…