After Agent Dillon Savich stops a crazy man from harming a pregnant woman, the man unexpectedly falls into a coma. Doctors discover a drug in his blood they can’t identify, and his only identification is a yellow wristband marked E 2. Did this John Doe escape from a mental hospital? And why was he at the pregnant woman’s house? When her newborn baby is kidnapped from the hospital, Savich realizes there’s a connection between the kidnapping and the unconscious John Doe. DNA tests uncover a startling fact: his cells are unlike any other—he’s an Enigma.