Step-siblings Stella and Chris find themselves alone in the house. Stella, dressed provocatively, begins teasing Chris about his hard-on. After repeatedly taunting him, she finally admits that she knows he has a boner and had planned on it all along. Their arousal building, Chris tries to come clean about their mutual feelings while maintaining some level of deniability. However, when things escalate, they both realize they can't resist one another anymore. They passionately kiss, undressing each other as they explore each other's bodies with increasing desire. Their lustful moans fill the air as they climax together, finally giving into their long-simmering desires.