Jake invites his newly discovered half-sister to stay with him in New York, but when he and Amy realize she's a bit of a nightmare, they must find a way to get her back home to Dallas.

Charles plans an elaborate scavenger hunt for Jake's bachelor party, but the day goes awry when the guys decide to take some shortcuts instead. Meanwhile, Amy's bachelorette party escalates when the ladies realize she previously slept with a member of her soon-to-be wedding band.