The step-sister, who has been experiencing feelings for her step-brother, answers his call while home alone. After some casual small talk, she discloses that she's bored and decides to masturbate during the call. As she touches herself, she moans and gasps, not realizing her brother can hear her over the phone. Suddenly, he appears in front of her, resulting in an intense confrontation. Despite his anger, he admits he's aroused by what he's heard and seen. The situation escalates when he aggressively pushes her against the wall and begins sexually assaulting her. Throughout it all, she struggles to push him away but ultimately succumbs to his advances.
