Best friends Phil, Alan, Stu and Doug reunite for yet another wedding, this time, it's Stu's turn to tie the knot and he and his fiancé decide the perfect location for their marriage will be in Thailand. After experiencing Doug's pre-wedding rituals in Las Vegas, Stu has opted for a far more civilized stag do, he's arranged for he and his boys to have brunch. The guys are joined by Stu's wife-to-be's (teenage) brother, after all they're only going for brunch, four grown men should be able to look after him.
In a haze of mist, the men wake up in a dingy building with no memory of the night before or how they arrived at their new 'digs'. All more than a little worse for wear, Alan wakes up with a shaved head and the Pièce de résistance, Stu is set for his wedding now with tribal ink tattooed on his face. When the men think things can't get any worse, they all realise the youngest member of their party, Teddy, is missing. Not knowing if Teddy is even alive, the men have no choice but to spend the day trying to recreate the antics from the night before.
Directed by: Todd Phillips
Starring: Bradley Cooper, Ed Helms, Zach Galifianakis, Justin Bartha, Jamie Chung, Paul Giamatti, Mason Lee, Ken Jeong, Jeffrey Tambor, Mike Tyson and Sasha Barrese