The war for Montana isn’t over. And this time, Kayce Dutton is wearing a badge.

The Yellowstone universe isn’t fading — it’s transforming. Y: Marshals, the next gritty chapter in Taylor Sheridan’s sprawling Western saga, is coming to CBS this March. But this isn’t another ranch-bound drama. It’s law, order, and blood on the open range.

And one face leads the charge: Kayce Dutton. But where’s Monica?

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A Cowboy Turned Marshal — Kayce Dutton’s New Mission

Set to debut on March 1 at 8/7c on CBS, Y: Marshals picks up after the Yellowstone finale, where Kayce Dutton (Luke Grimes) sold most of the Dutton ranch to Thomas Rainwater in a gesture of peace. What should have been the beginning of a quieter life with Monica and Tate is shattered. Instead of ranching, Kayce straps on the badge of a U.S. Marshal, trading family legacy for high-stakes justice.

CBS describes the series as a “modern Western procedural,” where Kayce blends his Navy SEAL instincts and cowboy code to lead a Montana-based task force battling violence on the frontier. This isn’t just about enforcing the law — it’s about wrestling with guilt, duty, and survival.

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Monica Missing: A Silent Goodbye?

Notably absent from the confirmed cast list is Kelsey Asbille, who played Monica Dutton. In Yellowstone, Kayce fought tooth and nail to keep his marriage and family intact. But Y: Marshals opens a different chapter — and her absence raises questions that have fans on edge.

Did Monica die? Did the trauma finally fracture their bond? Or is she still alive, purposefully written out of Kayce’s new life?

Whatever the answer, her silence haunts the premise. Especially since Kayce’s transformation into a federal lawman hints at a deeper personal loss — and perhaps, a new emotional war brewing beneath the badge.

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The Expanded Cast — And a New World of Enemies

Joining Kayce is a roster of returning Yellowstone figures and newcomers ready to shake things up:

• Gil Birmingham returns as Thomas Rainwater

• Mo Brings Plenty reprises his role as Mo

• Brecken Merrill is back as Tate Dutton

New additions include Arielle Kebbel as Belle (teased in the 10-second promo), Tatanka Means as Miles, and Brett Cullen as Harry Gifford, the Montana Marshal chief. These aren’t ranchers. These are professionals at war with organized crime, violent offenders, and the ghosts of Montana’s past.

Filmed in Utah’s Summit County — where Yellowstone first began — Y: Marshals promises dust, gunfire, and a modern Western myth built from law and consequence.

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Where to Watch — and What It All Means for the Sheridan-verse

Y: Marshals will air Sundays at 9/8c on CBS and stream on Paramount+ the next day, sandwiched between Tracker and other big network hitters. But make no mistake — this is Sheridan’s world. He may be leaving Paramount after 2028, but his universe is still expanding at full gallop.

From 1923 to The Madison (starring Michelle Pfeiffer) and the Rip & Beth spinoff, Sheridan’s saga is no longer just about one ranch. It’s about the bloodlines and bodies that shaped the land.

And with Kayce’s new journey, we’re reminded: even the most loyal cowboy can’t outrun justice forever.