A dream team of six elite climbers mount an expedition to one of the world's last great climbing frontiers: the remote frozen towers of Antarctica. Jimmy Chin and Conrad Anker tackle a new route on the 3600-foot Ulvetanna; Savannah Cummins and Anna Pfaff summit the towering Holtanna; and Alex Honnold and Cedar Wright make a harrowing blitz of 13 different spires, Queen Maud Land showcases a rarely-visited wilderness, and the suffering and vision needed to climb at the bottom of the world.