John Dutton tries to protect his ranch from land developers, an Indian reservation and America's first national park.

As the dust settles from the dispute, the Duttons deal with the potential repercussions; John calls in a favor and collects on some old debts; Jamie meets with the governor to do damage control.

The Duttons deal with a painful family anniversary; Kayce saves a young girl from danger; Jamie and Beth plan their respective political careers; Rainwater makes an ominous threat to the Dutton legacy.

A secret about John comes to the surface; Beth shows Jenkins a rough night out; quality time with Tate leads to a close call.

As Kayce feels the heat from tribal police, Jamie works some legal magic; Rip recruits a new cowboy for the ranch; a beaten-down Jimmy begins to find some respect; John makes a play to keep Kayce and Monica close to home.

A new partnership threatens John and the Yellowstone; Jamie ramps up his political campaign; Rip confronts Kayce about cleaning up his messes.