Torchy Blane joins her police-detective fiance to solve a series of murders involving a set of Chinese grave tablets taken and sold to a collector and death-threats written in Chinese characters.

Glenda Farrell
as Torchy Blane

Barton MacLane
as Det. Lt. Steve 'Mac' McBride

Tom Kennedy
as Det. Sgt. Gahagan

Henry O'Neill
as Sen. H. Baldwin

Patric Knowles
as Capt. Condon

James Stephenson
as Dr. Mansfield

Janet Shaw
as Janet Baldwin

Frank Shannon
as Police Capt. McTavish

George Guhl
as Desk Sergeant

Anderson Lawler
as Allan Fitzhugh