Summer, 1988 in Corsica. Vanina, fourteen years old, paints the town red with her cousin and sixteen-year-old sister. The teenagers slip out of the house on the quiet to go and dance and meet up with boys in the only nearby disco.

Naïma has just turned 16. This summer, she will have to decide what she wants from life if she doesn’t want to miss out. Then her cousin Sofia arrives, with an amazing body and a dangerously seductive lifestyle. Naïma desires only to follow her own path, so long as it leads upwards… Despite the warnings of her best friend Dodo, she and Sofia will live through unforgettable encounters during a long summer that will mark them forever.

As a heat wave brings a Marseille neighborhood to a boil, three roommates gleefully meddle in the lives of their neighbors from their balcony. Until a late night drink turns into a bloody affair.