Mike and Dave are young, adventurous, fun-loving brothers who tend to get out of control at family gatherings. When their sister Jeanie reveals her Hawaiian wedding plans, the rest of the Stangles insist that the brothers bring respectable dates. After placing an ad on Craigslist, the siblings decide to pick Tatiana and Alice, two charming and seemingly normal women. Once they arrive on the island, however, Mike and Dave realize that their companions are ready to get wild and party.
An overworked executive vacationing in Hawaii finds that his romance with an attractive businesswoman he meets there is threatened by the supernatural powers of a strange native curse on his bloodline.
