David Petersen is passing through the Colorado Rockies. After saving a young diner waitress from her violent ex-husband during a break from driving, he hits the road again alone through a dangerous snow blizzard. One false move behind the wheel has him waking up inside a ravine, in the eye of the storm. But the cold is the least of his worries when a beast starts prowling outsi...。已进入公元2000年,美国各地高中校园内暴力猖獗,少年各自拥枪自重,不时引发枪战。后经蓝福博士提供「铁腕教学」计画,青尔校长采用蓝福设计的人形机器教师,分别是哈丁、普莱先生和康纳小姐,皆具备文武兼修的精密程式。三位机器人老师,对付顽劣的学生生辄动拳脚交加,未几便立威服众。一日,学生桑尼吸食毒品被哈丁撞见,桑尼拔枪欲反抗,激怒哈丁,遭他下重手取了性命,此事为寇迪窥见。哈丁的密秘寇迪识破,他与普莱、康莱联手施反间计,杀害寇迪寇迪胞弟挑起帮派火拚、借刀杀人。。