In a cramped closet, guilt-ridden siblings give in to taboo urges. Michelle, haunted by religious constraints, gingerly pushes her brother's massive cock inside her. With their father's command ringing in their ears, they move slowly, Michelle's tight, untouched vagina enveloping her brother's shaft as they rub against each other in a frenzy of forbidden lust. Collapsing in post-coital remorse, they pray for absolution, their taboo sins smeared on their bodies.