A small town detective investigates into a Sociology professor when a mutilated body is found and women have gone missing from his class.,坦克冲出山洞后突然一个回身,炮膛直冲着山洞,那些刚起步的变异马一时间不知前面的坦克要干什么,突然指向它们的炮膛冒出火光,变异马这才恍然大悟,它们发出怒叫,不过已经晚了,就听轰的一声巨响,接着巨大的冲击……