Amy Tyler has planned the perfect surprise vacation for her boyfriend Josh Merit. But the real surprise is on her when he breaks things off on their anniversary. Stuck with reservations in her ex-boyfriend's name, Amy's two best friends suggest if Amy can't change the tickets ... why not change the guy?

Lizzie only request of her "Male of Honor" Marshall is that he doesn't bring his hated ex Marie to her destination wedding. But lovesick Marshall brings her as his plus one, and Marie does everything in her power to wreck Lizzie's big day.