Cramped in the closet, the siblings maintain their virtue, but religious guilt-ridden Michelle can't resist her brother's massive cock. As he enters her, she's haunted by her sins, yet can't stop. Their father's command echoes, "Don't move!" as they begin a forbidden dance, their bodies slick with sweat and lubrication, until they collapse into post-coital remorse, praying for absolution from their taboo lust.