Linda Harrison is about to divorce her estranged husband Steve so she can marry another man, Michael Carteret. But Steve has stolen Carteret's love letters to Linda, and tries to blackmail her. Steve is found dead and the evidence points to Carteret as the murderer. Linda sets out to prove his innocence.
The Monthly Film Bulletin wrote: "A conventional and unremarkable little detective story whose solution becomes obvious at rather too early a stage in the proceedings.”[3]
In British Sound Films: The Studio Years 1928–1959David Quinlan said: ''Ordinary pocket 'meller'.''[4]
Chibnall and McFarlane in The British 'B' Film call the film "a conventional but well-crafted murder mystery".[5]
^Action! Fifty Years in the Life of a Union. Published: 1983 (UK). Publisher: ACTT. ISBN0 9508993 0 5. ACT Films Limited - Ralph Bond p81 (producer listed as Phil Brandon) - "There were, of course, far more cinemas than there are today. To give a few examples, Night Was Our Friend secured 1,335 bookings...Circumstantial Evidence 1,568..."