在黑暗的深夜，杀戮护士悄然走入病房，带来无尽的恐惧与绝望。天天干夜夜艹

　　After a prank goes wrong, one person is left dead and another institutionalized. Ten years later, a group of friends are partying at a cabin in the woods unaware that a deranged psychiatric patient has escaped and is hell bent on revenge.