In a cramped closet, siblings succumb to forbidden lust. The devout Michelle and her brother, haunted by religious guilt, can't resist the allure of each other's semi-clothed forms. They maintain their virtue, or so they try, as Michelle sinks down onto her brother's massive cock, rubbing her tight, untouched vagina along the hard shaft. They collapse in post-coital remorse, praying for absolution from their taboo lust.