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In preparation for his deepest ever dive, Ross returns to training with dive master Neil Brock and explores the site of Britain’s most famous wreck: the Mary Rose.
Ross hops from Portsmouth to Plymouth and explores a coastline littered with treasures. A bout of hypercapnia leaves Ross shaken after the dive of a 17th century shipwreck.
The quest continues in the Red Sea off the coast of Egypt, a deeply personal journey given Ross' grandfather fought in the North African campaign during World War II.
Starting in Dorset's Studland Bay, Ross searches for wrecks that tell the story of D-Day and learns that winning wasn't just a case of superior power, but also ingenuity.
