Micah Torrance, a once famous lawman, is introduced as a drunken derelict, who stumbles into North Fork. Micah, nursing an arm crippled in a gunfight, is hired by Lucas to help out at the ranch. Three outlaws ride into town looking for revenge against Micah. When they kill the sheriff, it's up to Lucas and Micah to protect North Fork. Micah becomes North Fork's full-time Marshal.

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, but the townspeople are suspicious of him when they discover that he too is an Indian.

Reformed card sharp Julia Massini now runs a respectable boarding house in North Fork, but Sid Fallon is threatening to reveal her sordid past unless she lets him turn the establishment into a saloon and gambling hall.

When escaped convicts hold up the general store in North Fork and take Marshal Torrance hostage, Lucas comes to the rescue.

Mark's finding of the body of a murder victim starts Lucas, his friend Artemus, and Marshal Torrance on a search for the killer.

A dance hall singer asks Lucas to care for her daughter in an effort to hide the baby from her self-righteous, bigoted father.

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

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

Two ex-Confederate officers seek revenge on Lucas, who served as prison guard during their internment.

When an expected lawman doesn't arrive from Denver, several gunfighters arrive in North Fork and cause trouble.