A railroad boss poses as King Zong, leader of the League of Unicorns, an oriental criminal gang that wear helmets with spikes on their foreheads to slay enemies. Zong hopes to profit from sowing discord between China and the Allies, but Cap and Bucky defeat him and hand him over to the police.; Cap and Bucky must stop the activities of 20th Century pirates who are able to block the beam of a lighthouse, causing ships to run aground so they can be looted by the criminals.; A group of criminals, who have stolen many defense stamps from Roddy Colt, are threatening to kill a local banker until he pays them $10,000.; The Imp tangles with Dr. Sinn, who has discovered a book on black magic which reveals magic words that makes Sinn the most powerful man alive!; A pair of Nazi agents enter the U.S. to kidnap a British newspaper publisher and take him to Germany, all to prevent the publishers' anti-Nazi articles from seeing print.; Polly returns home from what he considers a dull ocean trip, but his wife discovers some hanky-panky that went on.