欢迎光临(天龙影院-http://www.678mao.com/)，本站影片皆为高清片源，如果您喜欢本站，请记得介绍你的朋友一起来看哟
  A single mother signs up for self-defense classes from a handsome instructor. But he develops a frightening obsession with her and orchestrates an increasing deadly array of "tests" to see if she has truly learned from his lessons.