Serial killer Guy Georges' hunt by a female captain who created a DNA database that revolutionized the police methods.

Odette has planned everything for her daughter's wedding to take place as well as possible: the caterer, the venue, her lifelong friends, nothing has been left to chance for this evening to be unforgettable: It will be.

Gilda Bessé shares her Paris apartment with an Irish schoolteacher, Guy Malyon, and Mia, a refugee from Spain. As the world drifts toward war, Gilda defiantly pursues her hedonistic lifestyle and her burgeoning career as a photographer. But Guy and Mia feel impelled to join the fight against fascism, and the three friends are separated.

The Cordier fight in family against the crime: the father is police captain, the son, investigating judge and the girl, a journalist.