Brad whines. He fights. He does terrible things with his boogars. Andrew is tired of his little brother. But when their family moves to the strange city of Chills Hills and Brad goes to a new babysitter, he comes back . . . different. Almost robotic. All he wants to do now is chores and homework. Mom and Dad think he's just growing up. But Andrew knows something is very wrong, and it all started on that day at Mrs. Dritch's house. There is dark magic at work here. His investigation leads him closer and closer to the truth . . . but also into the heart of danger.