An expedition to the deepest known cave in the world goes suddenly wrong. In 1977, British caver Dick Willis and his companions descend into the dark heart of the French Pyrenees. But with the three friends thousands of feet underground, an electrical storm breaks out on the surface - sending torrents of rain cascading into the caves. As the water level rises around their feet, the race to escape is on…

A Noiser production, written by Nicole Edmunds.

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