A cold box denotes unresolved police investigations, has passed into common parlance. The cinema has also taken hold of it, with Memories of Murder by Korean Bong Joon-ho or Zodiac by American David Fincher. A French director, Dominique Moll, delivers his version of a cold case: The night of 12 (in theaters in France from July 13) recounts the meticulous investigation of police officers seeking to find the author of a feminicide.