Former crook 'Square' Kelly serves in the First World War. When he returns from the war, one of his comrades-in-arms convinces him to join the police force. But Kelly finds himself confronting the very criminals who made up his old gang.

Outlaw Black Deering leads a band of desperadoes, but decides to give up the bandit life. Agreeing to go on one last job with his gang, he is captured when his henchman Jordan betrays the gang for the reward. Deering escapes and determines to avenge himself on Jordan.

"Bat" Peters, reformed gunfighter turned prospector, travels to Chicago to collect on a business deal with a mine promoter who turns out to be crooked.