'It deals with further activities of Leathermouth, a character who has figured in previous stories by the author. Leathermouth works in conjunction with Scotland Yard. With the cooperation of Albert Floyd, he investigates the activities of a night club and discovers that patrons are robbed by card sharping. Associated with the club is a handsome young woman. Leathermouth and Floyd have some thrilling experiences, and become involved in some dangerous situations.'
Source:
'New Serial Story', Newcastle Morning Herald and Miners' advocate, 22 March 1937, p.6.