Charlie impersonates an employee of the U.S. government to foil an espionage plot which would destroy part of the Panama Canal, trapping a Navy fleet on its way to the Pacific after maneuvers in the Atlantic.

Directed by: Norman Foster
Written by: John Larkin
Runtime: 66 minutes
Tagline: One more minute... and the fleet is doomed!
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Cast:
Sidney Toler Sidney Toler
Charlie Chan 
Jean Rogers Jean Rogers
Kathi Lenesch (Baroness Kathi von Czardos) 
Lionel Atwill Lionel Atwill
Cliveden Compton 
Mary Nash Mary Nash
Miss Sarah Finch 
Victor Sen Yung Victor Sen Yung
Jimmy Chan (as Sen Yung) 
Kane Richmond Kane Richmond
Richard Cabot