Harrys Comeback - Letzter Puff vor Helgoland(2010)

Overview:

After six years in exile, Harry returns from Hallig Hooge to Hamburg to settle unpaid bills in the neighborhood, which has now changed - he gets beaten up by the Russian mafia. As a result of his defeat, he discovers his hidden talent as a singer in a karaoke bar, and finds a new path in his home town.