Two hired hands of a wealthy cattleman, who has been using the ranch for grazing his cattle, demand that Lucas move out. When Lucas refuses, he is beaten and dragged and then the ranch house is burned down. They left Lucas and Mark with the burning house and rode off with Lucas' rifle. Leaving Mark to tend to the animals, Lucas tracks them down and confronts their boss, Mr. Jackford.

Lucas recognizes Dr. Simon Battle as an ex-gunslinger with whom he once traded shots.

Lucas thinks he has seen a ghost when a young man, eerily similar to a man he killed in the Civil War, challenges him to a gunfight.

Trouble brews at Lucas's when a whisky salesman and a gunfighter fall for the same woman.

Lucas shoots a horse thief who turns out to be a member of the Boyle clan, and now Ma Boyle is after him.

The widow of a bandit killed by Lucas plots a grotesque revenge.

Mark heads for Wyoming to search for Lucas, who's on the trail of a gang illegally selling weapons to the Indians. (Part 2 of 2)

Lucas looks for answers when recovering alcoholic Micah Torrence returns to the bottle—and turns in his badge.

Lucas agrees to take a job as a federal undercover agent and goes to Wyoming to investigate rumors of sales of arms to renegade indians. His life is endagered by the town drunk who stumbles onto his true identity and purpose. (Part 1 of 2)

Lucas, accused of horse theft, struggles to clear himself before a lynch mob catches up.

A janitor-turned-gunfighter whose reputation hangs on one lucky shot—and a lot of gall.

When an outlaw leader lures Marshal Torrance out of town, Lucas is the only one who can stop him from lynching a local man who killed one of the members of his gang.

Lucas and Mark try to persuade a persecuted young mute to return stolen money.

Lucas unmasks a killer posing as a door-to-door seed salesman.

Lucas is marked for death: he was foreman of a jury that convicted an Apache.

A Chinese man and his son fight prejudice as they try to open a laundry in North Fork.

Lucas is out for vengeance when Mark is used as a pawn in a bank robbery scheme.

A lively old lady arrives in town hot on the trail of a notorious bandit—and the reward money for capturing him.

Blinded in an explosion, Lucas fights despair as he prepares for a meeting with a gun-toting enemy.

Stubborn Grandpa Fogarty is Lucas's main roadblock as he tries to get young Woody Fogarty to attend school.

A new store owner upsets the town by demanding that all credit accounts be paid off.

Lucas and Mark attempt to reform a con-man.

Lucas and Marshal Torrance run in trouble transporting a captured killer back to face trial.

Seven condemned murderers escape and take over the town of North Fork.

Lucas tracks an escaped prisoner to a town that turns out to be run by the gunman's brother, notorious for shooting people in the back.