Jerry Cotton is the best agent of the FBI and suspected of murder. So he has to find the real killers of gangster boss Serrano.

FBI agent Jerry Cotton (Christian Tramitz) receives a delicate assignment. The experienced "lone wolf" must investigate the murder of of New York gang boss Sammy Serrano (AKA the puppeteer) with a new, inexperienced partner, Phil Decker (Christian Ulmen). When he follows a lead to the club Cristallo in the red-light district, he uncovers a web of intrigue which even involves his former colleague Daryl Zanuck (Christiane Paul).—rsbrux