On June 8th, 1924, the British explorers George Mallory and Andrew Irvine disappeared high on Mount Everest, just 800 vertical feet from the summit. Irvine is believed to have carried a camera that final day. The film inside it could rewrite history. Now, a team of elite climbers have new intel on the location of Irvine's body, and a chance to solve Everest's greatest mystery.