Lucie, a 14-year-old girl, runs away to find a certain Raphael, with whom she has been chatting on the Internet for three years and who has given her an appointment in a bar. Worried, his little brother alerts the police. Léo Matteï, commander of the miners' brigade, quickly found her safe and sound. The Raphael in question failed him. Mattéï thinks he is a sexual predator.
