The Hangover Part III (15)

Alan suffers a mental breakdown in the aftermath of his father’s death so Phil, Stu and Doug drive their grieving pal to the New Horizons medical facility. En route, the quartet is involved in a traffic accident and a mysterious thug kidnaps Doug, telling the remaining three members of the Wolfpack that if they want to see their friend again, they must track down flamboyant criminal Mr Chow and the stolen 21 million dollars in his possession.