Dr. Andrew Fenimore is an old fashioned doctor who is still willing to make house calls to his elderly patients. In his third adventure, a patient's call leads to more detection than medical care. Lydia Ashley, owner of a large farm in Southern New Jersey, is being systematically harassed by someone who wants her land. Dr. Fenimore can't leave his Philadelphia practice, so he sends his nurse Mrs. Doyle and his young assistant Horatio to try to stop...

Dr. Fenimore has a surprised communication from a cousin he doesn't know, who lives in Prague, and she indicates that she and her family are having serious problems and needs help from him. Off he goes to Prague to help her in whatever way he can, and decides to get his relatives to the U.S. But it is not simple, and Fenimore pulls in his lover, his secretary, and the street urchin turned teenaged helper, bringing them all to the beautiful old city,...