Liane, 19, lives with her mother and sister in Fréjus in the south of France. Consumed by aspirations of beauty and stardom, she auditions for a reality show called “Miracle Island.”

Spiking the old glamor of Cannes with the new grit and glitz of influencer culture, Agathe Riedinger’s fierce feature debut competed for the Palme d’Or. Scintillating against glowing screens of deceptive promise, newcomer Malou Khebzi adds adamantine tenacity to sparkle in an acclaimed performance.