When a woman begins to investigate her husband's mysterious death in a plane accident she discovers the involvement of a woman known simply as Diana.

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Main Cast: Vincent Ball, Betty McDowall, Geoffrey Toone, Clare Owen, Marianne Stone, Raymond Adamson, Peter Illing, Richard Caldicot, Basil Beale, Dermot Walsh

Director: Ernest Morris

Writer: Reginald Hearne

Editor: David Hawkins

Cinematographer: Walter J. Harvey

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