In a quiet, tense household, siblings Michelle and her stepbrother find themselves alone and restless. Their mutual frustration leads them to explore their own bodies, Michelle fingering herself in the bathroom while her stepbrother overhears. A heated argument ensues, but they soon reconcile, their desires for each other growing impossible to ignore. Naked and aroused, they confront their taboo feelings, Michelle's eyes locked onto her stepbrother's throbbing erection. Just as they're about to give in, a sudden noise forces them apart, leaving them breathless and yearning.