A computer expert and his friends manage to disable a department store's security system so they can rob it, but once inside they find themselves stalked by a killer.A computer expert and his friends manage to disable a department store's security system so they can rob it, but once inside they find themselves stalked by a killer.A computer expert and his friends manage to disable a department store's security system so they can rob it, but once inside they find themselves stalked by a killer.