Watch All Seasons of Yellowstone Now on Peacock: pck.tv/3X3WXsa When Kayce (Luke Grimes) meets with the medical examiner regarding his father John's (Kevin Costner) death, his military experience helps him find evidence that stops the case from closing prematurely. (Season 5 Episode 11). Synopsis: A ranching family in Montana faces off against others encroaching on their land. - Oscar and Emmy winner Kevin Costner is the marquee attraction of the ensemble cast in this drama series, starring as the patriarch of a powerful, complicated family of ranchers. A sixth-generation homesteader and devoted father, John Dutton controls the largest contiguous ranch in the United States. He operates in a corrupt world where politicians are compromised by influential oil and lumber corporations and land grabs make developers billions. Amid shifting alliances, unsolved murders, open wounds, and hard-earned respect, Dutton's property is in constant conflict with those it borders -- an expandi...