The Hangover Part III (2013)
Director: Todd Phillips
Starring: Bradley Cooper, Heather Graham, Zach Galifianakis
As a result of the death of his father Alans, Alan Wolfpack is to be treated for his mental problems. But things go wrong on the way to hospital Wolfpack attacked, robbed and Doug. Now you must find Mr. Chow back in order to release the gangsters who have hijacked Doug save it.