The Himalayas, 1935. Kangchenjunga. Third-highest peak on Earth. Greatest killer of them all. Five Englishmen set off from Darjeeling, determined to conquer the sacred summit. But courage can only take them so far - and the mountain is not their only foe. As the wind dies, the dread grows. Mountain sickness. The horrors of extreme altitude. A past that will not stay buried. And sometimes, the truth does not set you free.