R. Austin Freeman was an early 20th century British writer of detective stories. Dr. Jervis is approached by a man who tells him he has a friend who is very ill and needs his help. He cannot tell the Doctor where the man is but he is desperately ill. Jervis gets into a coach with no windows-completely dark so he will not know where he is going. When he arrives he enters a side entrance and finds a comatose man perhaps drug induced. Two very strange Germans-a man and woman are the only people attending him and cannot imagine how he could get morphine and insist it must be sleeping sickness. Dr...