Denny lives in Berlin, drinking, partying all night and sleeping with any girl available. His comfortable lifestyle gets shaken up when one day instead of a beauRful girl fortysomething Frank knocks on his door. He is the new husband of Denny's mother and wants to reconcile aAer years of silence. Frank is trying hard to convince Denny to call his mother and even moves in with him. But slowly he also adepts to Denny's lifestyle and goes partying and enjoys his Rme being freed from any duRes. Mike, Denny's ex-girlfriend is playing a crucial role in the developing friendship between the two slackers. While Denny simply refuses to grow up and take responsibiliRes, Frank goes completely loose in the wild Berlin nights. But next morning comes for both of them and they need to face their lives.