In late 1937, the young lieutenant Oskar Langweil is recruited to this cause while attending a party at the lavish home of a baroness. A high-ranking officer in Germany's counterintelligence agency brings Oskar into the fold because of their mutual involvement in a patriotic youth league, and soon dispatches him to Washington, D.C., on a perilous mission. Despite his best efforts, Oskar is compromised, and must...