When two step-sister go on a girl's trip to celebrate their divorces, the step-son tags along with them to embark on the sexiest vacation of his life.
The two Step-Sisters arrive to the hotel, unaware that the Step-Son has already arrived and was waiting for them. During their reuniting, the Step-Mother decides to lay down some ground rules for the vacation.
When the Step-Mom leaves her Step-Sister and Step-Son alone, the two agree that they want to break the rules.
After the Step-Mom has caught her Step-Sister and Step-Son breaking the rules, she decides to join in their activities.
The step-family comes together moments after the previous episode to have a "happy ending."
