Dexter tells a likeable Miami police forensics expert moonlights as a serial killer of criminals who he believes have escaped justice.
Dexter season 6 features two main antagonists who become known as the Doomsday Killers (or DDK), Professor James Gellar (Edward James Olmos) and his student Travis Marshall (Colin Hanks), who seek to bring about the end of the world through killings based on the Book of Revelation. What Dexter will encounter in this season?