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.

Newly married Marcus and Emily invite Ron and Kyla, who are also newly married with a baby, to join them at a Caribbean resort, where Marcus is meeting with the owners about a construction contract for a Chicago hotel. But when the party begins the couples' relaxing vacation quickly becomes a wild adventure.