Three iconic adventurers - newsman John Simpson, polar explorer Ranulph Fiennes and solo yachtsman Robin Knox-Johnston - go on a newsgathering trip to war-torn Afghanistan, attempt to sail around the most notorious of all maritime landmarks, Cape Horn, situated at the southernmost tip of South America, and man-haul sledges across the frozen sea ice of the Canadian Arctic.

DEEP WATER is the stunning true story of the fateful voyage of Donald Crowhurst, an amateur yachtsman who enters the most daring nautical challenge ever – the very first solo, non-stop, round-the-world boat race.