A classic Agatha Christie short story, available individually for the first time on digital audio, performed by Christopher Lee.

Broken down in the middle of nowhere Mortimer Cleveland, a psychic researcher, seeks shelter in an isolated home. From the moment he steps foot into the house he is struck by a sense of tension. Finding ‘SOS’ scratched into the dust of a table he wonders who wrote it and is compelled to answer the call for help…

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