On the eve of graduation, eleven friends break into their high school for a final night of partying, only for the celebration to turn into a claustrophobic nightmare when one of them is found murdered. Trapped inside with no means of escape, the group’s bond fractures under the weight of buried secrets and mounting paranoia. As the clock ticks toward morning, the survivors must navigate a lethal game of cat-and-mouse if they want to make it to the ceremony alive.
