A lonely teenage girl, left home alone, begins to explore her body, her fingers dancing on her clit as she imagines her stepbrother's touch. Meanwhile, he's in the shower, his mind filled with forbidden thoughts of her. Caught in the act, they argue, but the tension between them is palpable. They soon give in to their desires, masturbating openly in front of each other, their bodies aching for release. Just as they're about to cross the line, the sound of the front door opening forces them to halt their taboo encounter.