In a cramped closet, siblings maintain their virtue by not moving, but innate lust takes over. Michelle and her brother, haunted by religious guilt, rub their bodies together. Michelle pushes her brother's massive cock inside her, they moan, and soon, they're lost in an intense, taboo fuck fest, collapsing in post-coital remorse amidst smeared juices and spent fluids, praying for absolution from their sinful lust.