How do you fight an adversary you can’t see? The second EPSILON mission to Mars has arrived to mine the sites assayed by the first mission. But team members keep disappearing. Back on Earth, general Zhang Aiguo has assumed control of the Chinese military in his bid to declare himself emperor. His reach for power and control extends even to Mars. Time is running out. Can Dallas Gordon and the Prospector team locate and neutralize Zhang’s hidden bases before they are all killed?