Today I am reviewing the 1964 movie Murder Ahoy. This is the 4th to feature Margaret Rutherford as Agatha Christie's famed lady detective Miss Jane Marple. and in my honest opinion it's the worst of the four. Margaret is great as Miss Marple, but the scriptwriter and director veered too farm from the original spirit of the character. They made her a chemist as well as a sleuth when she figures out what poison was used to kill the first victim. 
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