Le chanteur Pierre Saltore est accusé du meurtre de l’amant de sa femme et se retrouve condamné à dix ans de travaux forcés. Sa fille parvient à prouver son innocence, quand elle découvre que le tueur n’est autre que sa belle mère qui voulait mettre un terme à cette aventure gênante.
Le comte Dimitri est condamné a mort pour avoir frappé le prince Paul qui tentait de voler un baiser à la comtesse Vera. Le prince Paul le gracie a cause d'une jeune fille qui a su conquérir son cœur au bon moment.
Directed byMario Zampi OriginUnited-kingdom GenresComedy ActorsGeorge Cole, Oskar Homolka, Ernest Jay, Nadia Gray, Frederick Valk, Wilfrid Hyde-White Rating62% George Potts, a plumber in a top secret government research plant, accidentally comes into possession of the plans for a revolutionary atomic weapon. As George leaves for his annual holiday, the research security team embarks on a nationwide search for the hapless 'sanitary engineer.' Meanwhile, the Russians get wind of the incident and intercept George, plying him with liquor and employment promises so that he'll hand over the plans to them. All the while, George never knows what the fuss is about: he thinks that the British and Soviet authorities are interested in his new plans for a modern plumbing system. The Russians offer him a job in the Kremlin doing research (on plumbing, he believes),and while there he falls in love with secret agent Tania, and discovers the true nature of the plans he is carrying.