Discreetly, she sneaks in, her heart pounding with anticipation and guilt. The bed creaks softly as she lies back, her husband's best friend between her legs. Their eyes lock, and his hands grip her thighs, pushing her skirt up. Suddenly, the front door slams shut. Panicked, she pushes him off, hurriedly adjusting her clothes as her husband's footsteps echo through the house.