A young heiress of an American gun factory is threatened by a masked man after her father was murdered. This criminal might be a member of her family or a German agent, who wants to get information about the factory's products, perhaps his mystery has a combined solution - we will probably never know...

Action, Mystery

Pearl White, Antonio Moreno, John Webb Dillion, Paul Clerget, Peggy Shanor, J.H. Gilmour