After winning a reality show contest, Tyler invites his two best friends to move into the ultimate bachelor pad -- a Los Angeles penthouse apartment. Kieran is all too happy to put off moving in with his girlfriend, despite the fact that excessive partying is affecting his job as a writer. When Tyler's sexy little sister flies in to visit, all of Kieran's inhibitions are lost, putting his relationship with his girlfriend and Tyler in serious jeopardy. Will Kieran get kicked out of the one place where everyone wants to get in?