Twin brothers Bob and Don Ramsay are on opposite sides of the law. Bob is the Sheriff and Don is the famous outlaw the Black Bandit. When the Black Bandit strikes, he is seen and his look-alike brother Bob arrested. Refusing to implicate his brother, Bob escapes and heads after Don.
When Len Stoddard wins Ted Ames ranch in a poker game he sends his brother Jake along with Ted to take over the ranch. When Jake is found murdered he offers a reward for the capture of Ted who now is believed to be a member of the Black Aces gang. Ted finds the probable location of the gang's hideout and sets out to clear himself.
A proud, pro-capital punishment district attorney with a 90% execution rate, finds himself wrongly convicted of murdering his estranged wife and sentenced to die. The woman he loves and his investigator rival for her affections rally to find the real killer, while he is confronted by the misery of life on death row.
Bradley and sidekick Sharpe are sent west to investigate the murders of pony express riders who are being killed to prevent the Spanish Land Grant papers going to Washington for registration.
Lane Hallett est blessé et recherché pour le meurtre du shérif local. Son frère, Buck, sait qu'il est innocent et se met en quête du vrai meurtrier, mais Quayle, un chasseur de primes, est déjà sur la piste de Lane.