Phil and his quirky group of friends hit the jackpot when they receive an invitation to the ultimate bash at Bob’s place. Bob is famous for hosting wild parties overflowing with drugs, alcohol, and debauchery, promising an unforgettable experience. However, the catch is that they can’t recall any of it. As Phil comes to, he realizes his girlfriend is due to arrive in just a few hours. In a bid to reconstruct the events of what was clearly an epic night, he rallies his friends to help him piece together the night’s escapades.