Young Mark manages to capture a hawk but falls into danger with a rattlesnake. A stranger comes to his rescue and Mark invites the man home, unaware that he is on the run from the law.
Lucas comes to the rescue when escaped convicts hold up the general store in North Fork and take Marshall Torrance hostage.
Young Mark McCain is eager to help lawman Jay Jefferson, who has arrived intent on killing an outlaw.
Dan Maury, released from Yuma prison, arrives in North Fork intent on getting even with Marshal Torrance, who helped send him to jail.
Lucas welcomes his old friend Tom Birch, who once saved his life, unaware that the man is now a bank robber on the run with his gang.
Lucas puts his life in jeopardy when he agrees to testify in a murder case where the first witness was killed before he could testify, and the killer is still at large.
Sid Fallon tries to blackmail former gambler Julia Andueza into allowing him to use her boarding house as a gambling hall and saloon.
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.
An arch-criminal has been run out of New Orleans and is passing through North Fork. Spotting the McCain ranch, he tells McCain he wants to buy it.
When Mark tries to play Cupid between Lucas and a stranger who arrives in North Fork, the girl's older brothers accuse him of trifling with her affections and challenge him to fight.
A new bank opens and Banker Hamilton hires a slow-witted gunman to guard the safe. When some of the gunman's old outlaw friends arrive in town they propose he join them in robbing the bank.
A vengeful judge who believes Lucas was responsible for his son's death, kidnaps Mark McCain to revenge himself on Lucas.
Johnny Gibbs, Lucas McCain's brother-in-law, visits the McCain ranch. Gibbs, a rodeo rider wanted by the law, begins stirring up trouble.
The notorious Shelton rides into the town of North Fork to take revenge on an elderly Marshal who is now crippled and working for Lucas McCain.
When Mark gets caught on a mountain ledge, a young outlaw risks his life to rescue him and breaks his leg doing so.
Cattle baron Oat Jackford orders his two cowboys to run Lucas McCain and his son off their ranch.
A Chinese man and his son fight prejudice as they try to open a laundry in North Fork.
Lucas recognizes Dr. Battle as an ex-gunslinger with whom he once fought. He helps with a dying man, but Lucas and the doctor have unresolved anger.
Lucas welcomes his old friend Tom Birch, who once saved his life, unaware that the man is now a bank robber on the run with his gang.
Outlaw Sam Morley falls in love with a young woman who has a serious illness and asks Lucas to turn him in for the reward and use the money to pay for her medical care.