Amber Stone, a typical 17 year old, keeps having nightmares about her sister being taken away by a werewolf and is scared it will actually happen. When it does, Amber searches every where for her darling little sister, but little does she know, her sister's kidnapper is "helping" Amber find her and says he will give her the exact location if she turns into a werewolf just like him. Will she agree? Or will she find her sister by herself? Find out by reading My Worst Nightmare!