Basil Dean was the production chief of Ealing Studios until1938' He fell out of favour with the Courtauld family who financed the studios because he made unsuccessful films starring his wife Victoria Hopper.In this film she is supposed to be a dance hall hostess in Leeds but talks with a Mayfair accent.Clive Brooks plays a former naval commander who becomes friendly with her.He has been asked by the police to use her to trace her brother who has an involvement with an arms smuggling gang.The head of the gang wanting to create anarchy during a general election campaign.The gang members kill the leader and then use a Tommy gun to shoot Hopper and the brother.The story becomes more and more fanciful.