Naive and busty Summer Steph, mistaken for her stepbro's girlfriend, finds herself in a sticky situation. Richiesummer, home from college, innocently enters her room, confusing her for his girlfriend. In a heated moment, he leaves her bed drenched in his cum, only to have her real boyfriend walk in, shocked and furious. Summer, now dripping and marked, must navigate the taboo waters of their family dynamic and her own awakened desires.