Angela maintains a coastal lighthouse in Italy, where she awaits the return of her brothers from the war. She learns they are casualties and takes solace in the arms of an American sailor washed ashore. However, the sailor turns out to be a German spy, and she is torn between her love for him and her realization that he is part of the enemy force that has destroyed her family.
Vladimir Dubrouvsky, a lieutenant in the Russian army, catches the eye of Czarina Catherine II. He spurns her advances and flees, and she puts out a warrant for his arrest, dead or alive. Vladimir learns that his father's lands have been taken by the evil Kyrilla Troekouroff, and his father dies. He dons a black mask, and becomes the outlaw The Black Eagle. He enters the Troekouroff household disguised as a French instructor for Kyrilla's daughter Mascha. He is after vengeance, but instead falls in love with Mascha.