Cyril is eleven or twelve years old. His father Guy Catoul dropped him off at a care home a month ago and disappeared. In his desperate search for him, Cyril comes across hairdresser Samantha, who agrees to take him in at weekends. She eventually finds the father, but he doesn't want to know anything about the child. Cyril can't believe it. When a petty criminal shows him respect, he allows himself to be incited to commit a robbery.