Miles Teller and Justin Chon star in this comedy written and directed by Jon Lucas and Scott Moore, screenwriters of 'The Hangover'. The night before the medical school interview that will determine his entire future, a promising college student is dragged out by his two oldest friends to celebrate his 21st birthday. But as one beer leads inevitably to another, the evening spirals into a grand misadventure of mayhem and debauchery that will have far-reaching effects for the whole trio.