A tough but honest cop must clear his name after a corrupt colleague implicates him in a murder in this French thriller. Ferrot is a hard-as-nails police detective who is attracted to a beautiful woman named Sylvia. Sylvia, however, is having an affair with Ganay, who happens to be Ferrot's superior on the force; Ganay happens to be married to Therese, who is handicapped. Sylvia is found murdered, and Ferrot is assigned to investigate; Ferrot is convinced that Ganay killed Sylvia because she wanted to end their relationship, but to his dismay, Ferrot discovers that the killer has placed a number of false clues that point the blame toward Ferrot.
Police Python 357 is a 1976 French crime-thriller film written and directed by Alain Corneau. It is an adaptation of the storyline of Kenneth Fearing's 1946 novel, The Big Clock, though with obvious stylistic influences from earlier 70's police thrillers like Dirty Harry.