In a tightly-controlled future prohibiting the criticism of all corporate and government leaders, terrorists, many of whom have been herded into anarchist enclaves called Freezones, are the people who refuse to agree to the restrictions; although the popularity of cortical implants has presented new opportunities to influence the minds of billions, in the interest of eliminating dissent altogether. Jaro Huss polices the border with Freezone, interrogating everyone accused of freely criticizing the government and its affiliated corporations. When he's contacted by the most infamous terrorist of all, a rabble rouser who calls himself Z, its no longer potential insurgency he's investigating but, rather, his own forgotten past.