Georgia and Trent pursue the killer with the serpent tattoo, encountering a religious cult and the Mexican cartel along the way. Huxum begins his own pursuit, determined to track down Denton and place him back under his thumb; is he the terrorist Huxum suspects him to be, or is an ally to Georgia and Trent? Underlying it all is the continued exploration of America's relationship to radicalism and how radical thought put into action can lead to terrifying consequences.