From the director of OLD SCHOOL comes a new comedy about a bachelor party gone horribly wrong. Two days before his wedding, Doug (Justin Bartha) and his three buddies (Bradley Cooper, Ed Helms and Zach Galifianakis) drive to Las Vegas for a blow-out night they’ll never forget. But when the three groomsmen wake up the next morning with pounding headaches, they can’t remember a thing. Now the race is on to piece together their wild night and find the groom Doug. Will they make it to the church on time….?