When a crazed sniper hides out in a football stadium waiting for the game, and his killing spree, to start Captain Peter Holly (Heston) is sent in to find and disarm him before anyone gets killed. However, his mission is made harder by the arrival of a rival SWAT team who plan to rush the sniper which could result in many innocent deaths. As the two teams race to find the killer before the two minute warning rings out, signalling the start of his shooting, the tension mounts.