Two days before his wedding, Doug and his three friends drive to Las Vegas for a blow-out bachelor party they'll never forget. But, in fact, when the three groomsmen wake up the next morning, they can't remember a thing. For some reason, they find a tiger in the bathroom and a six-month-old baby in the closet of their suite at Caesars Palace. The one thing they can't find is Doug. With no clue as to what transpired and little time to spare, the trio must retrace their hazy steps and all their bad decisions in order to figure out where things went wrong and hopefully get Doug back to L.A. in time to walk down the aisle.
Part of: The Hangover Collection
The Hangover is a 2009 American comedy film, co-produced and directed by Todd Phillips and written by Jon Lucas and Scott Moore. It is the first film of The Hangover franchise. The film stars Bradley Cooper, Ed Helms, Zach Galifianakis, Heather Graham, Justin Bartha, and Jeffrey Tambor. The Hangover tells the story of Phil Wenneck, Stu Price and Alan Garner, who travel to Las Vegas for a bachelor party to celebrate their friend Doug Billings' impending marriage. However, Phil, Stu and Alan have no memory of the previous night's events and must find Doug before the wedding can take place. It was followed by 2 sequels.