A summer holiday and an old folk tale bring two 11-year-olds together as they set out to explore just what, or who, is calling to them, from deep within an abandoned tin mine.
Production companies：
Dorothy St Pictures
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BBC Film
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BFI
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Overview：A summer holiday and an old folk tale bring two 11-year-olds together as they set out to explore just what, or who, is calling to them, from deep within an abandoned tin mine.
