In 2010, when eccentric art collector Forrest Fenn announced that he had buried a chest filled with precious gems and rare jewellery estimated to be worth millions, a modern-day treasure hunt began. The chest was located somewhere in the vast Rocky Mountains and with only 9 mysterious clues hidden within the lines of a poem, finding it wouldn’t be easy. In fact, for some intrepid explorers, it would be their final earthly adventure.