Image Credit: CBS The Yellowstone universe is expanding once again with Marshals, the latest spinoff centered on Kayce Dutton's next chapter. Led by Luke Grimes, the series follows the former rancher and Navy SEAL as he steps into a new role as a U.S. Marshal in Montana, bringing the grit and emotional weight of Yellowstone into a fresh law-enforcement drama. "Zone of Death" - As Kayce tries to embrace his new beginning, a Marshals op to stop a domestic terror attack lands him in a valley of buried Dutton family skeletons.