Leaving town with the Sheriff after him, Tex joins up with the Trouble Busters Skinny and Windy. In Placerville he runs into trouble with Bill Jarvis leading to a mad rush to file on oil rich land.

Montana and sidekick Pancho hire on at the Lopez rancho to fight Daggett and his outlaw gang. But Lopez's foreman Barnes is one of Daggett's men and he frames Montana for murder.

Kincade shoots Baird and takes the map to his gold mine. Sutherland finds the dying Baird who tells him the mine's location. Kincade, having lost the map, now goes after the gold Sutherland has taken out of the mine.

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.