This debut thriller grabs you by the throat and never lets you go. Three armed men wearing hockey masks have stormed into a school and are killing indiscriminately. Detective Jacob Striker takes immediate action. Within minutes, two of the gunmen are dead and Striker is close to ending the violence. But the last gunman does something unexpected. He runs up to his fallen comrade and unloads five rounds into the man, obliterating his face and hands. Against the clock, Striker investigates the killings for which there is no known motive and no known suspect.