During the American Revolution, a young soldier carrying a crucial message to General Washington is spotted and pursued by a group of enemy soldiers. He takes refuge with a civilian family, but is soon detected. The family and their neighbors must then make plans to see that the important message gets through after all.

Don Cesar De Vega crosses swords with a vicious member of the Queen's Guard, and steals the affection of a young heiress. When the officer frames the young upstart for murder, Don Cesar fakes his own death and retreats to the crumbling ruins of the family castle he plots his vengeance.