A lonely teen, Michelle, finds solace in self-pleasure, her fingers dancing on her wet slit, while her stepbrother, oblivious, prepares for a shower. Caught in the act, they argue, but later, curiosity and lust draw them together. Naked, they explore each other's bodies, Michelle's eyes widening at her brother's massive cock. As they're about to give in to their taboo desires, a sudden intrusion forces them apart.