Doctor Stephen Strange is the Master of the Mystic Arts. Earth's Sorcerer Supreme. A one-man barrier protecting our world from all the nightmares, demons and warlords out there in dimensions beyond our comprehension. So what happens... when Doctor Strange is murdered? As his friends mourn - and his enemies rage at having been deprived of the killing blow - dark forces set their sights on an unprotected Earth. The Avengers... the Fantastic Four... all of our mightiest heroes are woefully out of their depth. Now, as the world's remaining magicians race to protect our world from an unimaginable sorcerous threat, one very surprising investigator must unravel the mystery of Doctor Strange's murder. But can he do it before his own time runs out?