Heflin is a Confederate officer who escapes a Northern prison camp with some of his men. They flee to Canada, where they reorganize and plan to strike the Union from the north, hoping to draw forces away from the main fighting. Heflin disguises himself as a Canadian businessman and goes to
the sleepy Vermont town of St. Albans to scout it, taking up residence at a boarding house run by widow Bancroft, with whom his relations become something more than formal. When the time comes for his plan to swing into action, Heflin is stymied by the unexpected arrival of a column of Union
cavalry. Hotheaded rebel officer Marvin wants to fight them, and his recklessness endange...