The title suggests an Old Dark House comedy thriller, but despite a wartime backdrop the baddies are crooks after a stolen Rembrandt rather than the usual enemy agents. Vera Lynn wears harsher makeup than in her previous film 'Rhythm Serenade' and a much uglier hairstyle, but in the adroit hands of veteran comedy & thriller director Walter Forde finally blossoms as an actress. She's aided by a well mounted production handsomely photographed by the great Otto Heller, well matched by a likeably offbeat performance by leading man Donald Stewart and with a fun supporting cast of eccentrics, of whom I particularly enjoyed Mary Clare's contribution.
The plot gets more and more outrageously complicated as it progresses in a way that recalls Forde's silent comedies (Stewart even looks a bit like Forde), complete with one of those preposterously lifelike rubber masks that often feature in thrillers (the one in this film being slightly less unbelievable than usual) and even contriving to strand Vera on a window ledge at one point. Great fun.