'Yellowstone' spinoff 'Marshals' shocks fans by killing off major Dutton family member in premiere

The "Yellowstone" spinoff "Marshals" killed off a key member of the Dutton family during its premiere episode March 1.

During the premiere episode, "Piya Wiconi," Luke Grimes' Kayce Dutton visited a grave belonging to his wife, Monica Dutton.

"I miss you, baby. I miss my wife — my best friend. My only friend," Kayce said of Monica, who was played by Kelsey Asbille in "Yellowstone."

Grimes told Parade that visiting Monica's grave was his favorite scene in the pilot.

MICHELLE...