Captain Frank Marvin and Lieut. Bob Chase are army draftsmen in the Ordnance Department. Marvin is working on plans for a submarine that is expected to revolutionize warfare. One of the foreign governments is anxious to obtain the plans.

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Main Cast: Gayne Whitman, Vivian Rich, Estelle Allen, Frank Borzage, George Periolat, Ward McAllister

Director: Frank Borzage

Writer: William Parker

Editor:

Cinematographer: L. Guy Wilky

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