In 1983, a series of increasingly violent bank robberies, counterfeiting operations, and armored car heists frightens communities throughout the Pacific Northwest. As baffled law enforcement agents scrambled for answers, a lone FBI agent, stationed in the sleepy, picturesque town of Coeur d’Alene, Idaho, comes to believe the crimes are not the work of traditional, financially motivated criminals, but of a group of dangerous domestic terrorists, inspired by a radical, charismatic leader, plotting a devastating war against the federal government of the United States.