With the Yellowstone Ranch behind him, Kayce Dutton joins an elite unit of U.S. Marshals, combining his skills as a cowboy and Navy SEAL to bring range justice to Montana, where he and his teammates must balance family, duty and the high psychological cost that comes with serving as the last line of defense in the region's war on violence.

Kayce goes rogue in a desperate race to save his son as the Marshals uncover a powerful criminal operation tied to the East Camp land grab. A violent showdown ensues, putting everything Kayce cares about at risk.

An ex-cop launches a killing spree with the Marshals in his crosshairs.

The Marshals investigate a military drone explosion on Broken Rock.

The Marshals hunt for a fugitive bomber before he can strike again.
After a close call with a suicide bomber, the Marshals hunt for a co-conspirator armed with an even larger explosive. The trail leads them to a suspect's family whose deep distrust of the government makes getting answers nearly impossible.
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