Movie: Katharsi (2009) – IMDb
“An ex cop arrives in Athens after the murder of his wife. Approached by the chief of police, he reluctantly agrees to help take down a mafia ring. Thus begins a circle of blood that becomes more and more violent as the hero goes deeper into the case. When he is asked to abandon his mission, he refuses; nothing seems able to stop the violent outburst of a man desperately looking for catharsis. Written by Athens International Film Festival”