In Yellowstone season 1, Monica Dutton, played by Kelsey Asbille, suffers a serious head injury after attempting to break up a fight between two boys at the school where she teaches. While recovering at home, she suddenly passes out and is rushed to the hospital, where she discovers that she has suffered an epidural hematoma. Monica undergoes surgery and attends physical therapy to start the healing process. Monica has faced numerous brushes with death throughout the series, but she has survived thus far. In season 4, Monica and her son Tate are attacked by a masked home invader, who injures Monica. Right before the masked intruder is about to kill her, Tate quickly pulls out a rifle and kills the attacker, saving his mother.