Discover the originality of the Teutonic "noir" - meet Kemal Kayankay, a German detective of Turkish origin, to whom fate throws challenge after challenge. Working on the case of the mysterious murder of a Turkish worker, the valiant detective finds himself in the very sewer of Frankfurt, a haven of beggars, prostitutes and drug dealers. In addition to the bright and fascinating plot, the novel, written ironically, colorfully and extremely realistically, shows the reader a criminal cross-section of German society in the early 80s.