A teenager's parents finally realize how bad their home life is when their son is arrested for prowling.

Roman centurion Marcian is captured by Attila the Hun en route to Constantinople, but escapes. On arrival, he finds the eastern Roman emperor Theodosius plotting with Attila to look the other way while the latter marches against Rome. But Marcian gains the favor of Pulcheria, lovely sister of Theodosius, who favors a united Empire.

Austrian actor Franz Huber, known for his impressions, is captured by the Gestapo and forced into plastic surgery to become Hitler's body double. Their plan is to poison Hitler and use Huber to take control of the Reich. Meanwhile, Huber's wife Anna sees her life coming undone as her husband has disappeared and her two sons are indoctrinated into the Hitler Youth.

Two bumbling plumbers are hired by a socialite to fix a leak. A case of mistaken identity gets the pair an invitation to a fancy party and an entree into high society. As expected, things don't go too smoothly.