On 8 June 1924 George Mallory and Andrew Irvine left their tent high on the slopes of Mount Everest and climbed into history. They were seen at 12.50pm just metres from the top of the summit and "going strong for the top". Within minutes, Mallory and Irvine had disappeared in a snowstorm and were never seen alive again.
What happened to these two pioneering climbers is the most famous mystery in the history of mountaineering. For 75 years, there has been fierce debate over whether they were the first to reach the summit, 29 years before Sir Edmund Hillary and Sherpa Tending Noi-gay.
In March 1999, an expedition primarily sponsored by the BBC climbed to the North Face of Everest. Their discoveries became front-page news around the world. This gripping story by film producer Peter First brook fully explores the events leading up to Mallory and Irvine's historic attempt to reach the summit of the highest mountain in the world, giving a dramatic first-hand account of the 1999 search expedition.