An ISIS base in the Amazon rainforest, a kidnapped quantum physicist, and missiles on the far side of the moon may have nothing in common. But if they do, black-ops agent Travis Delta is the man best equipped to uncover the connection. When America confronts an existential threat from China, the U.S. government quietly taps Delta to solve the problem with his potent brand of extrajudicial diplomacy. But will a Glock 20 and raw courage be enough to neutralize a frightening new weapon that is about to be unleashed?