In a Harry Potter novel, Sirius Black is a convicted murderer who escapes from this island prison in the North Sea
This works up until 
1993, when Sirius Black (harry's godfather and convicted mass-murderer) 
escaped... [DOC] [TLE] Harry Potter and the Prisoner of Azkaban (2004) - Plot Summary ... [PAR] Harry Potter and the Prisoner of Azkaban (2004) on IMDb: Harry Potter is having 
a ...