Jonas is a sixteen year old boy. He is very curious and that makes him an outsider. He has no real friends. But he doesn't see that as a loss. Jonas's dad, Kronkel, is a real estate agent. One day he gets the chance of a lifetime. An overtired fellow real estate agent orders him to sell a 'beautiful' castle. What Jonas and Kronkel don't know is that ghosts live in the castle. Those ghosts are what caused the previous broker to give up...