Newly arrived gunslinger Al Walker throws a mammoth party at the saloon, keeping acting Marshal Ben Waller busy until Lucas is forced to intervene.

Lucas becomes involved in a battle between an aspiring writer and a cocky, bragging trail boss.

When a horse dealer transporting a prize stallion stops in North Fork, two saddle tramps try to use trickery to obtain it.

Mark discovers that the new preacher and his wife are impostors planning a robbery.

Lucas helps his former Army captain, now an undercover federal agent, infiltrate a gang of bank robbers.

When Mark finds gold on their property, a fast-talking salesman who tried to sell Lucas a new lightning rod offers instead to buy the ranch's mineral rights.

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.

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

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

Mark goes to work for Will Temple, a badly scarred and very mysterious rancher.

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