Lots of slogans such as “Be like Dad, Keep Mum” and “Keep it under your Hat” are visible on the walls in various scenes to reinforce the plot of this…

Inspector Bradley of Scotland Yard is on the trail of the murderous ringleader of a smuggling organization in London.

An actor is murdered live on air whilst a play is being broadcast. Everyone in the play and broadcasting house fall under suspicion.

In London a young lady meets a homeless and apparently penniless Russian prince. She introduces him to her middle-class Fulham family and he moves in. It turns out he still…