A marshal searches for stagecoach robbers.

In the 18th entry of Monogram's 24 "Range Buster" films, the bank of Gila Springs is robbed by Ace Alton and his gang, and Sheriff Frank Hammond, son of Marshal Jim Hammond, is killed. The Marshal sends for the Range Busters, Dusty King, Davy Sharpe and Alibi Terhune, to come and restore order to the town. Ed Cole, head of the local vigilantes, and secretly the head of the outlaws, promptly orders the trio out of town. They visit an old friend, Rancher Mike Rand and his daughter Mary. Mary's brother Jeff has unwittingly become a gang member, and carries out Cole's orders by taking a shot at Davy, but the latter makes him a prisoner during a subsequent fight in the town café. Jeff confesses to Cole's involvement, and the Range Busters, with the help of town banker Harrison, set a trap for Cole and his outlaw vigilantes.

Inspector Dawson promises "Morton of the Mounted" a long-awaited vacation as soon as he solves the mystery of who killed an old fur trapper called Old Parker and a Mountie named McGee. Morton and his Mountie sidekick, Corporal Tiny Anderson, hit the tundra and Morton saves Mildred Boyd from a tormentor.

Learning that Montana is about to become a state and that property values will rise rapidly, Caldwell is using his outlaw gang to force the ranchers off their land.

Eddie Dean is a Cattlemen's Association agent investigating a serious rash of rustlings along with sidekicks Soapy (Roscoe Ates) and Waco (Lee Bennett. The latter bears a striking resemblance to Lawrence ranch foreman Bert Ford (also Bennett), who has been the target of several assassination attempts. Rancher Lawrence (Lee Roberts) and Eddie decide that Waco shall impersonate Ford, who is hiding out in a hotel room.

When a fed-up businessman tires of watching gold shipments disappear without a trace, he calls in the Trail Blazers (Ken Maynard, Hoot Gibson and Bob Steele) -- a legendary trio of law enforcers -- to find the gold and figure out who's behind the thefts.

Working undercover, Allen and sidekick Mendoza are out to stop the mail train robberies. Rivers and his gang are the culprits and by joining up with them, they hope to get the evidence they need.

Lee Preston, aka Leland Bruce, kills a man in self defense but flees to the redwood country when the law makes it a murder charge. There he meets Lynn O'Malley, the niece of Sandy McTavish who runs the trading post. Lee learns the reason why this is good trapping country is because the timber barons across the lake are ruthlessly cutting the trees and driving the animals across the river. The trappers appeal to him to take a petition to the Governor which would prohibit the timber people from coming to their side of the lake. At first, because he is a wanted man, he refuses but does so later for the sake of the people even though he knows it will lead to his arrest.

Tom Kenyon and his sidekick Pierre La Farge are hired by rancher Mike O'Day who, with his daughters Toni and Sugar, provides wild horses for the government remount station.