Pour la peau d'un flic (English: For a Cop's Hide) is a 1981 French crime-thriller film starring and directed by Alain Delon. It was Delon's directorial debut.
It had admissions of 2,377,084 in France.
Plot
Choucas, a former police detective, is commissioned by an elderly lady to investigate the disappearance of her blind daughter, Marthe. The lady is murdered. Assisted by retired commissioner Haymann, and by secretary Charlotte, investigator Choucas attempts to unravel the thread of a fraud involving various police services and drug traffickers. During the investigation Choucas is attacked in the apartment of the victim by a certain Pradier; he kills him but his accomplice manages to escape. Back home, Choucas escapes an ambush tended by a certain commissioner Madrier and kills him, with the result of ending up in the viewfinder not only of a mysterious gang, but also of the police.
The story proceeds with a succession of events, including the kidnapping of Charlotte, saved at the last minute by her employer. Choucas will discover that he was maneuvered by the police commissioner Coccioli against his dishonest colleagues, and will risk to leave his life in an attempt to discover the truth and to strip the gang: it will be saved in extremis by policemen.