Yellowstone is a popular TV series.

The show has many fans.

These fans have a theory.

They believe the series will end in a specific way.

 The ending involves a character named John Dutton.

 John Dutton is a main character in the show.

The fans think he will die.

 This event will mark the end of the series.

 The fans are convinced of this theory.

It is not confirmed if this is how the series will actually end.