When Harley joins her new boyfriend for a long Halloween weekend at his country estate, they're invaded by a band of masked freaks and forced to play a Wicked Game. To the intruders' unpleasant surprise, Harley's hard-boiled history has endowed her with a bag of tricks which give the game a surprise ending.

　　When a nature photographer explains to the Police how she fought her way out of the Watchatoomy Valley, they dismiss her crazed and violent story as a meth-induced nightmare. But when they discover that she's telling the truth, it's too late.