Julie, 36 years old, unemployed and single, wants to take control of her life: lying and cheating in order to finally meet the perfect man, Max. Who doesn't even know that she exists.

At sixty, Bernard Hubert has finally settled down and lives perfect love with Juliette, who is more than twenty years younger than him when they see landed, Thomas, an attractive thirty-something who claims, DNA test in support that he is Bernard's son. Problem: Bernard Hubert claims that he is sterile! Another problem: Juliette doesn't seem insensitive to the boy's charm. Would Bernard have opened the door to his son or his rival?

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