While trying to protect Banker Hamilton's gold, Mark is kidnapped and held hostage at the McCain ranch and will be killed within the hour unless Lucas cooperates.
Town character Brett Conway blackmails Lucas when a young couple Lucas rescued is suffering from yellow fever.
Eddie's daughter causes trouble for Lucas when two strangers threaten her life after she arrives with criminal information and stolen money.
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.
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.
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.
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.
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.
An old friend of Lucas McCain's, a traveling photographer, comes to North Fork plying his trade. When a murder is committed, the photographer is accused of the crime.
After Lucas accuses a newspaper writer's misleading articles of causing an innocent man's death, the writer begins writing articles about Lucas.
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.
Lucas comes to the rescue when escaped convicts hold up the general store in North Fork and take Marshall Torrance hostage.