As the last of the sunlight fades, siblings retreat to their respective rooms, but the house feels too small, too charged. She can hear his heavy breaths through the wall, imagines his hands on his cock. He pictures her spreading her legs, the glistening pinkness inviting. Their fantasies intertwine, fueled by the taboo, until they can't resist the pull any longer. They meet in the hallway, bodies pressed together, hands exploring, as they give in to their forbidden teenage rampage.