The final battle begins.The only hope for victory lies in Space Marine Corps Two's youngest recruit-Remmy Cole. He is the Prophet and Gatekeeper foretold in an ancient prophecy. Aeon, the Sarkan Emperor, will do anything to get his hands on him.The conflict approaches, but Earth does not have the advantage. There is only one way to survive.Use the Emperor's own tactics against him.Will Earth be forced to surrender or will Remmy be able to use all the technological advances only his mind can control to win the fight for humanity?Harness your courage and prepare to walk through the gateway.