The Hangover (2009)

The Hangover (2009)

Director: Todd Phillips
Genre: Comedy / Drama / Romance
Runtime: 99 min | 108 min (unrated version)
Country: USA
Language: English
Starring: Bradley Cooper, Ed Helms, Zach Galifianakis, Heather Graham, Justin Bartha, Jeffrey Tambor

Plot:
A Las Vegas-set comedy centered around three groomsmen who lose their about-to-be-wed buddy during their drunken misadventures, then must retrace their steps in order to find him.

http://www.imdb.com/title/tt1119646/
http://en.wikipedia.org/wiki/The_Hangover_(film)