Cindy (Sara Drust) returns to her family home after the death of her father to settle some disputes. Seeking comfort, she is joined by her boyfriend and friends, however, she soon discovers that the house hides a terrible secret, one that will put them all in danger…。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。。An inside look at the parental outsourcing business for the super wealthy。