Sophie agrees to help with her stepsister's anniversary gift.
In life, sometimes you're up, sometimes you're down.
Elliot must adapt to change.
Mia fights a deep attraction for her new rival step-sister.
The kids come home for Christmas vacation.
Mom and Mike find out.
Incest.
Stepsisters discover their hate for each other is lust.
19-year-old stepsisters don't get along ... or do they?