Follow the summer of Billie's 16th birthday, a lifeguard at the water park, with her two best friends, Rosine and Juliette, as well as her perfect big sister, Annette. Billie's summer is quickly turned upside down when she falls in love with a charming cycling champion.

Ward and Bouchard must face an important car theft ring that turns out to be a lot more than they bargained for: one where the stolen cars will serve as bombs in a well planned terrorist attack.