A group of sadistic mercenaries kidnap people off the streets and set them loose on the grounds of their secret camp, so the "students" at the camp can learn how to track down and kill their prey. 译文(2): 一群虐待狂雇佣兵在街上绑架人们，把他们放到他们秘密营地的地面上，这样营地里的“学生”就可以学习如何追踪和杀死他们的猎物。
