The untimely death of a prominent anti-gun lawyer, Barnaby Stillwater, in the Lakes Region of New Hampshire, leads to a complex, challenging investigation as to the motive. Advocates of "liberty and freedom," infiltrate the state impacting local communities and the New Hampshire legislature. Festus Gravel, a hermit in the White Mountains, is confronted by "extreme" right-wing criminals, on the run. His dog becomes a lone sentry after his master is mortally assaulted. NH General John Stark's principles contrast modern day 1st and 2nd constitutional amendment rights. New Hampshire's motto, "Live Free or Die," takes on a new meaning.