Cramped in the closet, siblings succumb to primal urges, their religious upbringing a distant echo. Michelle, her breath hitching, guides her brother's virgin cock inside her. They move tentatively, then urgently, their bodies slick with sweat and desire. "You mustn't move," their father's voice echoes, but they're past the point of no return. Michelle's tight cunt milks her brother's cock, their moans muffled by each other's mouths. In the aftermath, they dress quickly, their eyes avoiding each other's, guilt and shame warring with the lingering pleasure.