Several teenagers in a smalltown in Colorado concoct a July 4th prank based on when his friend finishes up accidentally killed, a frightening legend that goes awry. The teens accept maintain their participation a secret from the authorities, who continue to search for the man who apparently killed their friend. With the July 4th bash coming up back, the adolescents realize they're being stalked by someone who plans about keeping the legend alive by yanking off them.