Major Geoffrey Barnett, U. S. Army Intelligence Service, is sent to Alaska, to apprehend a deserter, Tom Clark, who was presumed to be dead as a member of a small force wiped out on Attu in World War II. With the aid of Rose Flambeau, he finds evidence that the now-prosperous Clark killed his own comrades to prevent their reporting of a deposit of uranium, which he is now mining with the intention of selling to a foreign power.
A crazed scientist needs primates to conduct experiments to prove his own theory of evolution, so he organizes an expedition into the jungles of Borneo to capture the animals he needs.
Buckley is an unethical reporter who manipulates the news for his own benefit as much as he reports it. When he is in Paris to get a medal for being rescued from his alleged kidnappers, he finds that his boss, Stevens, at the Chicago Globe is going with his old gal Dolly. When Stevens learns that Dolly is staying with Buckley in Moscow, he fires Buckley. To get his job back, Buckley and Lefty stage a great news story about the shooting of the last Romanoff, but the plan backfires and they are now in line to be shot by the Commissar.