'A thriller novel later turned into a screenplay in which the eponymous Mr Denning murders a blackmailer with whom his daughter has fallen in love and, in panic, dumps the body in a lonely rural area.' (The Bibliography of Australasian Judaica 1788-2008, p. 12)
A largely negative review in the London Times offered the following synopsis:
'That brilliant aircraft designer Tom Denning (Mr. Mills) clearly has something on his mind and spends more time pouring out drinks than working at his drawing-board, but the secret and the suspense are kept artfully in being and the audience, like a small child listening to a story, is anxious to know what is going to happen next. And it knows, by the sacred pen of Conan Doyle, it knows! Tom has committed a murder, knocking out his daughter's blackmailing lover (Mr. Herbert Lom) by a neat upper-cut with the result that the man hits his head against the grate and promptly expires. Suspension of belief is a favour asked by, and freely bestowed on, all kinds of murder stories, but the stories, on their side, are expected to put as little strain on credulity as possible; the slow, lengthy flashback which shows Tom disposing of the body is one long strain on credulity which shatters patience and the film into fragments.'
'New Films in London. Strain on Credulity', The Times, 24 December 1951, p.2.