When a Turkish laborer is stabbed to death in Frankfurt's red light district, the local police see no need to work overtime. But wisecracking private detective Kemel Kayankaya, a Turkish immigrant himself, smells a rat. The dead man wasn't the kind of guy who spent time with prostitutes. What gives? The deeper he digs, the more Kayankaya finds that the victim was a good guy, a poor immigrant just trying to look out for his family. So who wanted him dead, and why?

On the way to finding out, Kayankaya has run-ins with prostitutes and drug addicts, gets beaten up by anonymous thugs, survives a gas attack, and suffers several close encounters with a Fiat. And then there's the police cover-up he stumbles upon…