Bobby and Nate are out to discover the cause of strange noises emanating from the abandoned and dilapidated mansion that was once the home of Bobby's grandparents. Once inside, the young boys encounter a powerful, evil force that's downright dangerous. Escape is their only option, but it won't be easy to break free from The Mansion on Champagnolle. Welcome to the first Weird Tales Investigators mystery...which could be their last