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Alan (Frank Leighton) is engaged to Mary (Judy Kelly), a girl living in coastal Devonshire. While Alan is on a business trip, a man is murdered, and all evidence points to our hero, who is unable to establish an alibi. Sentenced to prison, Alan escapes, only to find out that Mary, convinced that her former fiancee is a murderer, has married another. Slowly but surely, Mary comes to believe in Alan's innocence -- a fact that does not bode well for her husband, who up until the revelatory final reel insists that he's Alan's best friend. There are few surprises in the outcome of Last Chance, but the film is professionally assembled and ably acted.