Jimmy's new stepsister Erin recently suffered a minor fender bender. While Jimmy tries to have some fun with his girlfriend Dixie, Erin interrupts them by ringing the bell and demanding service from her new stepbrother. Jimmy is frustrated by Erin's demands, but she keeps his interest as they get increasingly sexy - leading to Jimmy cheating on his new stepsister! Dixie catches on, but instead of getting mad, she even demands to be serviced herself in a steamy threesome!