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.

• Christal Films
• Les Films Opale
• Liliane Skelly
• Camille Felton
• Joseph Delorey
• François Létourneau
• Vivi-Anne Riel
• Salma Serraji
• Jacob Whiteduck-Lavoie
• Renaud Lefebvre