"You mustn't move!" their father commands, yet innate lubrication soaks the siblings' bodies as they're forced to fuck. Michelle, a religious girl, is overwhelmed with shame as she feels her brother's cock inside her for the first time. They move slowly, tentatively, their bodies entwined in a dance of taboo lust. As they reach their climax, they collapse into post-coital remorse, their bodies slick with sweat and spent fluids, their hearts heavy with the weight of their forbidden act.