Kees Popinga is a quiet clerk in a respectable shipping company. But just before Christmas, the firm goes bust, taking his life savings with it. And suddenly the mild-mannered family man snaps. He boards a train for Amsterdam and Paris and embarks on a debauched spree. When a prostitute in found murdered, Kees is the prime suspects : a wanted criminal on the run. Has this model citizen really become a paranoid killer ? Or is he just playing a bizarre game of cats and mouse with the policeman who hunts him ?