Mike and Dave are very young, adventurous, fun-loving brothers that have a tendency to escape hands at family gatherings. The others of the Stangles insist that the brothers attract dates when their sister Jeanie shows her wedding plans. After placing an ad on Craigslist, the siblings opt to pick two normal and enchanting women, Alice and Tatiana. Once they arrive on the island, nevertheless, Mike and Dave realize that their partners are prepared to get crazy and party.