First "writers_reign" the script is not an adaptation of a novel written by Robert Bloch but by Lawrence Block, also author of "Eight million ways to die" adapted by Hal Ashby. Having said this the movie itself offers a good and unusual performance by Jean Dujardin and a new great one by Laurent Lucas. Franck Mancuso being an ex cop is certainly in a better place that anyone to know about police procedures and does a good job for his first directorial task. It's also great to see a cameo by the late Jean-Pierre Cassel. So, in the end it's a tight (the movie is approx 75mn long) crime drama that don't relies on car chases or gunfights. French thrillers still can be made these days.