After the suspicious death of a tunnel worker, and unconvincing answers from the project's lead engineer, Doc Susie goes underground to find out what happened. Instead, she finds her own life in peril when she's trapped by a cave-in.
When Black cowboy Nat Love hears word that a Deadwood business owner is putting up $200 for a Fourth of July cowboy competition, he immediately signs up to prove his mettle against the best ropers, riders, and shooters around.
Now without a badge, former lawman Bat Masterson must find a way to help an old friend whose brother has been falsely imprisoned. An overreaching sheriff is intent on seeing the brother hang, so Bat hatches a plan to bust him out of jail.
After Marshal Ed Masterson is killed in Dodge City, his youngest brother, James, follows in his footsteps and becomes a lawman. But when James' life is threatened, middle brother Bat Masterson races back from Arizona to protect his kin.
After Marshal Ed Masterson is shot while trying to break up a barroom brawl, he hastily bans all firearms in Dodge City. Ed's swift proclamation is met with disdain, even from his own brothers, and places an even larger target on his back.
Two Pinkerton detectives join forces to track a notorious bank robber. During a shootout, the Missouri Kid kills seasoned detective Charles Schumacher, leaving young George Dougherty to finish the job and avenge his colleague's death.
As U.S. Marshal Bass Reeves attempts to arrest Belle Starr and her outlaw husband, Belle asks for 24 hours to find someone to care for her young daughter, Pearl. When the Starr family decides to flee instead, the Marshal gives chase.
After two Mexican vaqueros cross the border in search of their stolen cattle, they are gunned down by the rustlers. When El Paso's newly appointed marshal tries to solve the murders, he sparks one of the West's most infamous gunfights.
In his first week on the job as the new constable of Jerome, Arizona, Jim Roberts gets to work arresting the town's troublemakers and teaching his timid deputy how to be a true lawman as they track down a stone-cold killer and his gang.
After failing to capture the ruthless murderer Augustine Chacon on U.S. soil, Ranger Burton Mossman relinquishes his badge to cross the border. In Mexico, he goes undercover as a horse thief to join Chacon's gang and spring his trap.