It's 1924 and the race to summit the world's highest mountain has been brought to a terrified pause by the shocking disappearance of George Mallory and Sandy Irvine high on the shoulder of Mt. Everest. By the following year, three climbers -- a British poet and veteran of the Great War, a young French Chamonix guide, and an idealistic young American -- find a way to take their shot at the top. They arrange funding from the grieving Lady Bromley, whose son also disappeared on Mt. Everest in 1924. Young Bromley must be dead, but his mother refuses to believe it and pays the trio to bring him home...