Cassie, a 13 year old Gothic girl, is trying to fit in at her new school. To entertain herself, she plays a series of pranks on the popular kids and her younger brother, Max. When she goes to a Halloween store looking for new tricks, she finds a little book called "The Evil Thing"
When Bobber undergoes experimental surgery to help him walk again, Daniel Burton falls in love with his beautiful rehabilitation doctor and invites her to spend Christmas at the farm.
When a young girl's new doll takes on a mysterious new identity, her brother is forced to find out what is going on and to save his sister from the terrifying new reality.