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.

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.

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

Aircraft factory worker Barry Kane flees across the United States after he is wrongly accused of starting the fire that killed his best friend.

Three brothers stop off for a night in the town of Tombstone. The next morning they find one of their brothers dead and their cattle stolen. They decide to take revenge on the culprits.

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.

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.

A medicine show pitchman investigates a small town murder in Arizona.

Sheriff Jack Harkins seeks vengeance against Red Saunders, who caused the death of Harkins' sister. Saunders, after terrorizing the area, attempts to force his attentions on Matilda Ann Carter, a wealthy young heiress. When Harkins catches up to Saunders and beats him, Saunders fakes his own death to frame the sheriff for murder. The ruse is exposed, leading to a happy conclusion.

Unjustly booted out of the cavalry, Mike McComb strikes out for Nevada, and deciding never to be used again, ruthlessly works his way up to becoming one of the most powerful silver magnates in the west. His empire begins to fall apart as the other mining combines rise against him and his stubbornness loses him the support of his wife and old friends.