The story begins as Tom Mills (Tom Mix) rides off to fight in WWI. Leaving his ranch in the care of his sister Ellen (Carmelita Geraghty) and her husband Ed (Carl Miller) Mills returns from the battlefield two years later to find that his brother-in-law has deserted, and the ranch is in a state of ruin and disrepair.
Jack Wade is the son of a wealthy father who runs a successful ship-building company. He uses his athletic prowess to defeat the villainous competitors who are out to financially ruin his father.
Masked bandit The Lincoln Highwayman terrorizes motorists on California highways. His latest victims are a San Francisco banker and his family on their way to a party.
When jockey Jimmie Driscoll, responsible for making Jim Richardson's horses winners, is fired for being too heavy, he goes to the home of the late Judge Bell, the father of local horse racing.
While vacationing with his father Edward at a Palm Beach hotel, George Welston becomes smitten with Eve Pendleton, the daughter of Edward's business rival Judson.