RJ Spencer is a lucky 12 year old. He lives in the big city and his parents are landlords of the high-rise apartment building that is his home.
The many tenants in the building, along with the endless possibilities of adventures in the city itself, are the perfect setting for the young detective as he sets out to solve every case he can get his hands on.
Something terrible has happened to Hensely, the doorman. RJ and Joey fear the worst when it seems that a famous magician has done the unthinkable. Will they be able to crack the case in time to save their friend or is he gone for good?