AllMovie

Follow renowned rock climbers Alex Honnold and Tommy Caldwell on a 2,600-mile expedition to tackle one of the most daunting challenges of their careers: summiting the infamous Devils Thumb. The Devils Thumb is a sinister tower of ice-plastered granite deep in the wilderness of southeast Alaska and is known as one of the most dangerous mountains in North America. For Alex Honnold, this climb is among the greatest adventures of his life, a testament to his relentless drive to achieve the impossible. For his best friend, Tommy Caldwell, it’s a chance to make a heroic comeback after a career-threatening Achilles injury. The friends undertake an epic journey to the Devils Thumb, traveling by bicycle, sailboat and on foot through the American West, Canada and Alaska. Witness the extraordinary courage and pulse-pounding climbing as the two attempt to accomplish the first-ever, single-day traverse of all five peaks of the Devils Thumb massif – and push their bodies and bond to the absolute limit.