Gavin and Ezra Martin think that Lucas killed their son Clemmie while taking part in a train robbery and Lucas refuses to tell them what really happened.
After Lucas accuses a newspaper writer's misleading articles of causing an innocent man's death, the writer begins writing articles about Lucas.
When his employer begins to suspect him of embezzlement, bookkeeper Asa Manning decides to hire a professional gunman to take care of the problem.
An unfounded rumor causes North Fork's outspoken feminist schoolteacher to be attacked by a mob of angry townspeople.
The McCains try to be tolerant of their embittered neighbor Abel MacDonald, but they decide he's gone too far when he won't allow his injured boy to get medical treatment.
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.
When a young boy from Brooklyn is accused of murder, Mark hides him until he can find the real killer.
The McCains try to be tolerant of their embittered neighbor Abel MacDonald, but they decide he's gone too far when he won't allow his injured boy to get medical treatment.
Lucas takes in an orphaned teen being raised by his abusive uncle after there is trouble at the school.
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.
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.