The police, with the help of a baker, try to find the owner a loaf of bread accidentally poisoned with potassium cyanide.

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Main Cast: Geoffrey Keen, Jane Hylton, Gordon Jackson, Dermot Kelly, Shirley Lawrence, Eileen Moore, Molly Urquhart, Rupert Davies, Gillian Vaughan, Barbara Archer

Director: Peter Graham Scott

Writers: Peter Johnston, Diana Watson

Editor: John Trumper

Cinematographer: Michael Reed

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