A fancy masquerade party is the scene of a jewel robbery, and later several suspects in the robbery are discovered to be aboard the same train.

U.S. Marshals Nevada Jack McKenzie and Sandy Hopkins are working undercover to capture a gang stealing horses from the Navajos, and to capture the killer of a Ranger. Nevada poses as an outlaw to get in with the gang and find the leader, while Sandy pretends to be a drunken old horse thief that has knowledge of where the Navajos have hidden their ponies.

Jimmy and partner Dusty have bought a ghost town in the Cherokee strip. When they arrive they find their other partner Lasses has sold 51% to four crooks.

Jimmy Wakely wishes to sell to the government a group of wild mustangs which he has captured and trained for rancher Matt Blake. The competition is Flora Carter, the owner of a near-by ranch. The army colonel in charge decides to buy the winning horses of a cross-country race. Flora has her henchmen, led by Sam Phelps resort to foul means in order to try to win the race.

Driving a herd of cattle to market, Jimmy finds the trail has been fenced off by an old friend of his. While the two sides try to settle the matter peaceably, a man from each outfit get together to try and start a range war between them figuring they will end up with the cattle. When cattle are rustled, Jimmy finds the clue, horses with shoes that make tracks that look like cattle.