Footage of the British blockade of German ships in ports in the United States of America.
Full titles read: "BELLIGERENT SHIPS IN USA PORTS"
Various shots of German merchant ships trapped in ports in the United States of America by British blockade, they include S.S. Idarwall, SS. Rhein, the Orinoco and Emmy Freidrich. Various shots of Mexican minister with crew of German ship trapped in Mexican harbour of Vera Cruz. Various shots of war materials being unloaded from ships as US observes neutrality. Aerial shots of the liners the 'Queen Mary' and the 'Normandie' in a dock in New York.