Wyatt Earp and his brothers Morgan and Virgil ride into Tombstone and leave brother James in charge of their cattle herd. On their return they find their cattle stolen and James dead. Wyatt takes on the job of town marshal, making his brothers deputies, and vows to stay in Tombstone until James' killers are found. He soon runs into the brooding, coughing, hard-drinking Doc Holliday as well as the sullen and vicious Clanton clan. Wyatt discovers the owner of a trinket stolen from James' dead body and the stage is set for the Earps' long-awaited revenge.

The tale of Clint Farrell, an aspiring lawyer who must use both his wits and his brawn to save his town from being taken over by a villainous railroad financier.

Burton is after Clark's ranch. He gets the banker to refuse to renew Clark's note and then sends his men to rustle his cattle. Hoppy is Clark's new foreman and is on to Burton's scheme. But just as he learns of the rustling and is about to go after the gang, the Sheriff arrives and arrests him for hiding Johnny who has been accused of robbery.

Drifter Cole Harden is accused of stealing a horse and faces hanging by self-appointed Judge Roy Bean, but Harden manages to talk his way out of it by claiming to be a friend of stage star Lillie Langtry, with whom the judge is obsessed, even though he has never met her. Tensions rise when Harden comes to the defense of a group of struggling homesteaders who Judge Bean is trying to drive away.

A retired lawman gets back into action to fight political corruption.

Rival logging companies battle for the Valley of the Giants (redwood trees) when a young engineer returns home to help his father by building a new rail line to transport the logs to the sawmill. A romance between the engineer and the rival's niece complicates the situations.