Government officials discover a horrible plot: the Chinese are tunneling their way to the United States.
A Jewish woman, Dr. Michele Wolf, interred in a Nazi concentration camp during WWII returns to her Paris home after the war's end. She's unaware that her husband, the handsome gigolo and chess master Stanislaw Pilgrin, has been having an affair with her stepdaughter Fabi in her absence.
Tenth entry in the Carry On series. Able seaman Poop-Decker signs up for adventure on the high seas with the wicked Captain Fearless. Those swabbing the decks include Juliet Mills, Charles Hawtrey and Donald Houston. The film was originally to be titled Up the Armada, but the British Board of Film Censors objected to such a rude title.
