In the throes of boredom and sibling rivalry, Michelle and her stepbrother find themselves in a compromising position. Michelle, fed up with her brother's antics, resorts to masturbating in the bathroom, only to be caught red-handed by her excited stepbrother. An argument ensues, but they soon make amends, deciding to masturbate openly in front of each other. Naked, Michelle takes in her stepbrother's thick, straight, huge cock as he jerks off lustfully. She fantasizes about feeling that massive dick plunging into her tight cunt, just as someone enters, forcing them to abruptly end their erotic encounter.