Michelle B and Ben English, siblings bound by blood and lust, find themselves in a heated moment of self-discovery. Michelle, alone in the bathroom, can't resist the urge to pleasure herself, her fingers dancing over her wet pussy and big ass. Ben walks in, catching her mid-act, and they argue. Later, they decide to masturbate together, Michelle taking in Ben's massive cock as he strokes it. Lost in fantasy, they're about to cross the line when someone's arrival forces them to abruptly end their forbidden encounter.