When a dance troupe is lured to an empty school, a bowl of drug-laced sangria causes their jubilant rehearsal to descend into a dark and explosive nightmare as they try to survive the night—and find who's responsible—before it's too late.

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.