German spy Freya Talberg (Alice Terry) seduces Spanish sea captain Ulysses Farragut (Antonio Moreno) to use his neutral ship, the "Mare Nostrum," to transport supplies to a German submarine. Freya assures Ulysses the submarine will respect neutrality, but soon after, the sub sinks a ship carrying Ulysses' son. Grief-stricken and bitter, Ulysses offers his ship to the French to pursue the Germans -- while Freya, guilty over her involvement with the sinking, tries to withdraw from spying. Wikipedia
German spy Freya Talberg (Alice Terry) seduces Spanish sea captain Ulysses Farragut (Antonio Moreno) to use his neutral ship, the "Mare Nostrum," to transport supplies to a German submarine. Freya assures Ulysses the submarine will respect neutrality, but soon after, the sub sinks a ship carrying Ulysses' son. Grief-stricken and bitter, Ulysses...