The Tongue-Tied Canary
Cornelius, who trained as a spy during the war, is asked by his old boss to track a new code being delivered to Bruno Rankel, a former organiser of the Hitler Youth now operating in England. He follows the courier, Walter Speyr, from the Liverpool docks to a pawnshop, where he sees the pawnbroker hand him a card, then to London by train. He searches Speyr's room at a seedy boarding house for the code, only to be caught by Speyr, who knocks him out.
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