A message relating to a set of valuable printing plates stolen from the Bank of France and shipped to America is sent by mistake to a young girl in the Superman drama, "The Birthday Letter." Captured and held by the counterfeiters, the girl is rescued by Clark Kent as Superman, who arrives unexpectedly in answer to a friendly birthday letter.
Enlisted by the Mexican government, Kit tries to break up a smuggling ring.
Kit tries to promote peace between two men but finds one of them dead.
