Navy Lt. Tom Farrell meets a young woman, Susan Atwell , and they share a passionate fling. Farrell then finds out that his superior, Defense Secretary David Brice, is also romantically involved with Atwell. When the young woman turns up dead, Farrell is put in charge of the murder investigation. He begins to uncover shocking clues about the case, but when details of his encounter with Susan surface, he becomes a suspect as well.

When an unauthorized letter is sent to Moscow alleging the U.S. government's willingness to help Russia attack China, former naval officer Charles Rone and his team are sent to retrieve it. They go undercover, successfully reaching out to Erika Kosnov, the wife of a former agent, now married to the head of Russia's secret police. Their plans are interrupted, however, when their Moscow hideout is raided by a cunning politician.

Reporter Michael Gordon uncovers intrigue in Damascus, where the Allies and Nazis struggle for control of Arab sympathies.