Hurrying along a lonely road on a rainy night, Dr. Jervis, a young medical student and practitioner, discovers the body of a man, apparently dead, lying partly concealed in the hedgerow. He hurries off to summon the nearest constable and together they return to the spot, only to find that the body is gone. Jervis makes a few inquiries, but they lead nowhere and the incident is forgotten.Yet from that night the young doctor is a marked man, stalked...