Movie Story : Leaving the Yellowstone Ranch behind, Kayce Dutton joins an elite team of U.S. Marshals in Montana. Drawing on his experience as a cowboy and a Navy SEAL, he works to deliver range justice across the state. As the unit becomes the last line of defense against the region's violence, Kayce and his teammates struggle to keep their families and their duty in balance while the psychological toll of the job grows heavier.