Colt 45

Colt uses panic about a yellow-fever epidemic to find a murderer.

Chris is assigned to protect a French diplomat touring the West.

Sam's on the trail of an outlaw, but he doesn't know it's Jesse James.

Colt escorts a woman doctor and smallpox vaccine to Deadwood during an Indian uprising.

Sam Colt Jr. shoots and kills one of two fleeing stagecoach bandits; his investigation leads to a ranch owned by a beautiful woman; Colt falls in love with the woman, then discovers that the man he killed was the woman's young brother.

Sam and a soldier are carrying a military payroll and mistakenly turn it over to three bandits disguised as cavalry troopers; they set out to retrieve the money and catch the bandits.