Once a notorious Nazi hunter, Yugoslavian ex-partisan who is the master of killing maintains his comfortable life from robberies these days, with the knowledge of local police. He spends his life sailing on the Danube, independent of everyone, makes new plans. But something goes wrong with the latest action, and it ends in a double murder. His former comrade, now a police colonel, decides to stop him now, and since the crime took place in Hungary, he is joining forces with local policemen.
—mrtanaka