German spies use a stolen shortwave transmitter prototype to broadcast top secret shipping info to an offshore Japanese sub. To nab the spy ring, the U.S. government has the West Coast's top... Read allGerman spies use a stolen shortwave transmitter prototype to broadcast top secret shipping info to an offshore Japanese sub. To nab the spy ring, the U.S. government has the West Coast's top radio engineers fired and shadowed.German spies use a stolen shortwave transmitter prototype to broadcast top secret shipping info to an offshore Japanese sub. To nab the spy ring, the U.S. government has the West Coast's top radio engineers fired and shadowed.