For years, Yellowstone fans have wondered what actually caused Kevin Costner to leave the show ahead of the second half of its fifth and final season. Now, a new exposé reveals that the tipping point may have been a power struggle between Costner and Wes Bentley, another one of the Western’s leading men.

The characters of Yellowstone have done some pretty sinister things, including betrayal and even murder, and these are the worst misdeeds among them.