On a sweltering May night, five seventeen-year-old friends gather for a pre-party drinking session, intending it to be their ultimate escape. However, the party spirals out of control when Laura suffers severe alcohol poisoning. Fearing the consequences and desperately seeking refuge, the group locks themselves in an empty house against the clock. In the suffocating confinement of this claustrophobic isolation, each girl's selfishness and secrets are laid bare, transforming the medical emergency into a brutal psychological examination that will test the limits of their loyalty and forever alter their relationships.