Cooped up together, religious siblings struggle with temptation. Michelle and her brother, haunted by guilt, try to maintain piety but can't resist their growing attraction. In a cramped closet, they succumb to their desires, Michelle slowly impaling herself on her brother's massive cock. As they lose themselves in their incestuous passion, they're reminded of their sins, collapsing into post-coital remorse amidst smeared juices and spent fluids.