Back in 1977, Dillon filmed Hillary and crew (including son Peter Hillary) as they jet boated from the mouth of the Ganges to the base of the Himalayas, then set out to climb peak Akash Parbat. Dillon has remastered existing and unseen footage, and interviewed crew members about Hillary's last big expedition.

Deep in the wild Southern Ocean, halfway between Australia and Africa, a snowy volcano, almost 3,000 meters high, rears up from the sea like a Great White Whale. Five times that Great White Whale of a mountain tried to kill the first team that attempted it. Yet back they sailed, through the worst seas in the world to try again, this time with the legendary Bill Tilman as the skipper.