Plot Summary:Peterson's cancer is in remission and he returns to find Colt rebuilding after the fire. Luke and Mary get married and go on a drinking and drugs binge. Abby asks Colt for space while staying with her parents, but he finds excuses to visit. Heather trains as a veterinary technician and shadows Dale as he examines Colt's cows. Dale reports that Colt's bull is incapable of impregnating them, leaving Colt short of cash with no way to increase his herd. Colt declines Heather's request for help finding her mother and Luke. Lisa Neumann argues with Beau about management of his ranch, which is now part of Neumann's Hill. Colt attempts to purchase a bull from Lisa, but she refuses to sell. Beau tells Dale Neumann's Hill requires him to use a different veterinarian, but Dale tells Beau their friendship will continue. Abby informs Colt she rented an apartment closer to her work. Colt denies Lisa's accusation that he stole a bull. Colt finds an open gate between his father's ranch and his, which...