The rivalry between brothers Corby and Link Taggart had boiled over with violent results in the New Mexico town of Cimmaron. Fleeing from the hangman, Corby was pursued by Link, leading him into Wyoming's Yellowstone Valley. There, Link encounters Beartooth Crockett, who exerts a powerful influence on him. So when Crockett is brutally slain, Link determines to bring the perpetrators to justice. The final showdown with Corby and his gang would prove whether blood was thicker than water.