Renowned alpinists Josh Wharton and Vince Anderson attempt a free ascent of the Jirishanca, an epic 20,000-foot peak in the Peruvian Andes. The duo will have to tackle 5.13 face climbing, horizontal ice roofs, technical mixed terrain and treacherous snow mushrooms as they reconcile the inherent risk of climbing with their love of alpine adventure.

The show’s own verdict is on its page.