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.

When Scott and Kate Johansen’s daughter gets into the college of her dreams it’s cause for celebration. That is, until Scott and Kate learn that the scholarship they were counting on didn’t come through, and they’re now on the hook for tuition they can’t begin to afford. With the help of their friend and neighbor Frank also in need of a major payday they decide to open an illegal casino in his suburban house, risking everything together on a Vegas-style bacchanal where money flows, inhibitions are checked at the door, and all bets are off.