K. by Mary Roberts Rinehart is a mystery, a romance, and a saga of the lives of people during pre-World War I around a hospital, its employees, and the surrounding neighborhood. The main character, called 'K' Le Moyne, has disappeared from his own past and entered into the lives of those living on the street where he becomes the handsome, quiet boarder. Beautiful, young, Sidney, struggling to help her widowed mother meet expenses, decides to rent a room. On their quiet street, this is somewhat s