Hidden from the world, the siblings find solace in each other's arms, their bodies swaying in a rhythm as old as time. The darkness amplifies their senses, the feel of each other's skin electric, the sound of their heartbeats echoing like thunder. They're lost in a dance of debauchery, their innocence slowly slipping away as they surrender to the carnal hunger that's been simmering beneath the surface of their familial bond.