George Mallory was last seen 800 feet below Mount Everest’s summit in 1924. 75 years later, climber Conrad Anker’s life became intertwined with Mallory’s after finding his frozen body. The only thing missing was a photograph of his wife which Mallory had promised to place on the summit. Haunted by Mallory’s story, Conrad returns to Everest to unravel the mysteries surrounding his disappearance.