Lucas McCain and his son Mark arrive in North Fork, New Mexico. Looking to start a new life, they come across a ranch to their liking, which is for sale. Lucas enters a Turkey Shoot in hopes of winning the down payment for the ranch. Jim Lewis, the man who runs North Fork, has bet on Vernon, a young gun he brought in, to win. When talk of Lucas' reputation back in the Nations circulates around town, Mr. Lewis gets nervous and he makes trouble for Lucas by threatening Mark's life.

U.S. Marshal Sam Buckhart arrives in North Fork in search of renegade Indians suspected of the brutal killing of a Texas Ranger and his family, but the townspeople are suspicious of him when they discover that he too is an Indian.