Trick or treat! (And the trick is not to die....) Everyone at McKinley High dreams about Halloween. The A-plus parties, the creepy costumes—it's a blast. Everyone, that is, except Brenda Morgan. For Brenda, Halloween is a total nightmare. Every year, something terrifying happens to her. Like someone smearing blood all over her bedroom wall. Or her friend stabbing her in the back—literally. It's almost like Halloween night is cursed for Brenda. And unfortunately, October 31 is just around the corner....