Lucas and Mark take in a young woman and her brother after the brother comes down with measles. But rumors are flying around that the young woman is a princess - not merely a woman who's yearning to be a farmer.
At night Micah stops by the North Fork jail to check on a prisoner named Charlie Gordo. Charlie does not want to go to Yuma prison to be hanged. He threatens Micah by telling him that if he tries to make him go, he will kill Micah.
Lucas is acting deputy in Northfork while Micah is away on business. When the bank is robbed Lucas shoots and seriously wounds the robber during his getaway. The robber is Rudy Gray from Salinas and when Lucas wires the sheriff of Salinas the telegraph is intercepted by an unscrupulous clerk and his friend Dave Foley. Foley decides to travel to Northfork impersonating Rudy's brother and bring his body back to Salinas before Lucas can find out there is a $2,000 reward on his head.
A man rides into Northfork whom everyone seems to recognize. His name is Tip Corey and he has a reputation as a ruthless killer. Micah tells him to ride out of town and Corey refuses and delivers Micah an ultimatum...take his badge off and throw it into the dirt by sundown or he'll kill him. Lucas convinces Micah that Corey won't be back by sundown so Micah leaves on business and Lucas pins on the badge. The threat still holds and Corey delivers his ultimatum to Lucas.
When Mark and Lucas meet Micah on the trail while transporting a prisoner for execution, Mark discovers the prisoner is a man who saved his life three years earlier. Lucas gets angry when Mark helps the condemned prisoner escape.
While riding out on the range, Mark befriends a blind man with a grudge against another man. When the man in question forces Lucas to kill his cattle because of disease, Mark seeks revenge and is shocked at the results.
A retired lawman's irrational jealousy threatens not only to destroy his marriage, but also to make him an easy target for someone who wants him dead. And as usual, Lucas finds himself right in the middle of all this drama.
A man rides into North Fork. When he sees Lucas, he reminds him that they met in training camp during the Civil War. Upon hearing them talking, Milly asks the man whether he knew her brother, who died in the Battle of Bull Run.
A former neighbor of the McCain's is released from jail after serving his sentence for stage coach robbery, but the money was never found. Lucas agrees to let the man work for him, but the new work hand holds a secret.
When Lucas, Mark, and Micah get lost in Old Mexico, they are held hostage by a bunch of bandits who intend to kill the men and make Mark a slave. Micah is seriously hurt and buried alive - so it is all up to Lucas to save them.
Lucas arrives in North Fork to learn that a new arrival, Lou Mallory, has been been buying up land and some of the town's businesses. Mallory is a no-nonsense businesswoman, a self-starter who seems quite determined in looking after her own interests. Lucas even manages to get a very good price for Milly Scott's store, now that she's moved away. When the townsfolk learn that the railroad will be coming to town, several think they've been had, including Neb Jackman and his sons who sold her what they thought was a worthless piece of land. Neb's solution is to kidnap ...
Dennis O'Flarrety arrives in North Fork. Upon seeing an opportunity to help, he single-handedly lifts part of a wagon. But, his real reason for being in town is that he intends to marry Lou Mallory, the owner of the hotel.
Four men wearing uniforms ride into North Fork. They have a fifth horse with them. On its back is a long wooden box, that is locked. Upon carrying the box into the hotel and registering, Lou is told that it contains a "present for the Senator".
Mark and Lucas disagree on the character of a man claiming to work for the circus. Lucas shoots the man during a robbery at the hotel, but Mark believes the man's story. This puts father and son at odds.
A famous gun fighter, whom Mark idolizes, is in town telling more of his stories. But this time, he tells one story too many and is challenged. Lucas begins thinking that maybe he's not "the most amazing man" after all.
When Mark's careless actions cause the death of a friend, he blames the rifle. Not being able to accept the truth, he runs away from home. But he is faced with a tough decision that could be a matter of life and death.
Micah goes out of town, leaving Nils Swenson in charge. Lucas warns Nils against posting a "no gun" notice, and then angrily leaves town. He quickly returns, though, when he discovers Mark is in trouble because Nils didn't take Lucas's advice.
After Lucas barely misses killing a cougar threatening Mark, he goes into conflict with himself. The fact that his missing the cougar could have cost Mark his life terrifies him. Lucas must come to terms with this reality.