When a straight-laced couple that has fun with a rowdy couple on vacation in Mexico return to the States, they discover that the crazy couple they met in Mexico followed them back home and decide to play tricks on them.

A couple experiences a defining moment in their relationship when they are unintentionally embroiled in a murder mystery. As their journey to clear their names takes them from one extreme – and hilarious – circumstance to the next, they must figure out how they, and their relationship, can survive the night.