Marshal Torrance is heading home from a cattle sale with Lucas and Mark when the old lawman mysteriously disappears. They trace him to a nearby Mexican ghost town. (Part 1 of 2)

Conclusion. After Alphonso's wife gives birth, the bandits holding Marshal Torrance relax their guard, enabling Lucas and Mark to rescue the old man.

Red-headed Lou Mallory arrives in North Fork and soon arouses the townpeople's suspicions.

Townspeople brace for the worst when a new girl arrives—with symptoms of smallpox.

A gunslinger rides into North Fork for a meeting with Lucas.

Lou looks for a way out when the man her dying father promised her to arrives.

An assassination plot unfolds as four gunmen disguised as cavalrymen enter North Fork. Their target: Sen. Jim Borden. Their weapon: a Gatling gun.

Sharpshooter Marty Blair tries to persuade Lucas to buy Mark a rifle.

Fast-draw artist Wade Randall is less than anxious to display his prowess.

A speculator will stop at nothing to grab Lucas's land.

A blacksmith-turned-deputy sets the stage for trouble when he demands that all townspeople turn in their weapons.

Lucas's self-confidence begins to slip away when he misses an easy shot.

A railroad gang boss frames an Apache.

A peddler is implicated in a series of murders.

Gridley Mau is gunning for Lucas, who killed his father during an attempted robbery.

A Japanese nobleman seeks revenge when his servant is insulted.

At Halloween, rustlers take advantage of the seasonal disguises to raid a cattle ranch.

A snake crawls into Lucas's bed, and Mark must lure it away before it strikes.

Lucas is thrown into jail to stop him from murdering an old enemy.

Lucas is baffled when the marshal of a neighboring town refuses to hold a gambler who just attempted murder.

Lucas begins a trek to find a cure for Mark, who is paralyzed after a bad fall.

New arrival Mario Arsatti becomes very friendly with Lucas, but this turns out to be merely pleasure before business: he's been hired to kill Lucas.

Lucas, who blames his wife's death on his father-in-law, refuses to help the old man elude gunmen.

The notoriously lazy Jackman brothers discover their mortgage has been foreclosed.

Mark and his girlfriend Laurie discover that an old hermit is very lonely.