Rex and Saskia, a young couple in love, are on vacation when they stop at a busy service station. Saskia is abducted in broad daylight and three years pass with no answers or closure surrounding her disappearance. Rex has nearly given up all hope when he suddenly begins receiving letters from her abductor.

Pivoine, a 13-year-old girl, tired of her parents' arguments, reluctantly goes on vacation with them. She takes advantage of an accident on the highway to run away from them and take her legs. She meets a young legionnaire, Rouquin, also on the run. Together and in complicity, they will flee, trying to escape the highway police, and will love each other without saying it...