Jimmy's new older stepsister Erin got injured in a minor fender bender recently. While Jimmy tries to get frisky with his girlfriend Dixie, Erin interrupts them by ringing a bell & demanding service from her new stepbrother. Jimmy is frustrated by Erin's demands, but she keeps his interest as they get increasingly sexual – leading to Jimmy cheating with his new stepsister! Dixie catches on but instead of getting mad, she gets even – and demands to be serviced herself in a hot threesome!