An impostor impersonating Annie goes on a crime spree.
Tagg is initially dubious about the arrival of Lofty's young niece, until he finds that she is a tomboy with interests similar to his.
Annie allows Tagg and his friend Billy to spend the night in a ghost town, unaware that outlaws are using it as a hideout.
When a young sharpshooter challenges Annie to a shootout, Tagg decides to take a hand with his slingshot.
While trying to solve a robbery, Tagg is captured by the bandits.
The arrival of a new fire engine is spoiled by a bank robbery.
Annie befriends a Chinese laundryman whose difficulties are compounded when he is framed for murder by a man anxious to acquire his property.
When a rancher murders his cousin over an inheritance, he tries to use a midnight ride to create an alibi.
Annie must battle a pair of twin sisters, one with her pistols, the other on the dance floor.
Annie tries to help the town doctor regain his confidence after being unable to save the life of his father.
When the citizens make a run on the town's failing bank, the banker tries to cover up his counterfeiting by faking his death.
A former juvenile delinquent is being helped by the local Junior Pioneers Club, but then his older brother escapes from jail and shows up in town.
Outlaws threaten a wheelchair-bound former rodeo star and his wife.
Annie, Lofty and Tagg try to befriend a newly-arrived family that exhibits only hostility.
A beautiful woman robs the bank while putting the blame on a young cashier.
Annie comes to the aid of a widow and her young son who are being scared into selling their property.
Trouble ensues when a local rancher hires an ex-convict whose outlaw brother is trying to keep him from going straight.
A judge who operates a halfway-house for ex-cons is threatened by the brother of a man he has just sentenced to death.
A local judge with money problems is offered a bribe by a crooked banker.
When the government opens up the Powder Rock territory, a land rush by potential homsteaders ensues.