Each of Doug's buddies is eager to enjoy a
wild night on the town, since family man Phil (Bradley Cooper) finds his life boring, nerdy Stu (Ed Helms) has been henpecked for three years by a
girlfriend (Rachael Harris) who beats him and Tracy's troubled brother, Alan (Zach Galifianakis), is a registered
sex - offender who isn't allowed to come within 200 feet of a school or a Chuck E. Cheese restaurant.