When his mother eloped with an Italian opera singer, Louis Mazzini was cut off from her aristocratic family. After the family refuses to let her be buried in the family mausoleum, Louis avenges his mother's death by attempting to murder every family member who stands between himself and the family fortune. But when he finds himself torn between his longtime love and the widow of one of his victims, his plans go awry.
A meek bank clerk who oversees the shipments of bullion joins with an eccentric neighbor to steal gold bars and smuggle them out of the country.
A recently-deposed "Estrovian" monarch seeks shelter in New York City, where he becomes an accidental television celebrity. Later, he's wrongly accused of being a Communist and gets caught up in subsequent HUAC hearings.
