A tale of the World War I love affair, begun in Italy, between American ambulance driver Lt. Frederic Henry and British nurse Catherine Barkley. Eventually separated by Frederic's transfer, tremendous challenges and difficult decisions face each as the war rages on.
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.