Hadley's friend Josh is new in town and curious to know what is behind the terrible songs the kids sing. According to the creepy stories, an old hunchback lives on the hill with hundreds of black cats, and if you go up there, she'll turn you into a cat! Hadley can see the light on the hill from her bedroom window and the stories often give her nightmares.
But one dark Halloween night Josh talks Hadley into making one terrifying trip on Hoback Hill to solve the mystery. And what they discover is a very old secret that someone wants to make sure it kept.