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The villagers of Chipping Cleghorn, including Jane Marple, are agog with curiosity over an advertisement in the local gazette which read: 'A murder is announced and will take place on Friday October 29th, at Little Paddocks at 6:30 p.m.' Unable to resist the mysterious invitation, a crowd begins to gather at Little Paddocks at the ppointed time when, without warning, the lights go out . . .