The creaking floorboards alert her to his presence, her husband's eyes widening as he catches his wife in the throes of self-pleasure. She freezes, her hand still buried in her panties, then resumes, her exhibitionist streak flaring. He watches, his cock tenting his pants, as she spreads her legs, her fingers plunging into her wet, welcoming cunt. She moans, her body writhing, putting on a show for him, her husband, her lover, her audience.