In this episode the crew heads to the La Fourche Hut in the Mont Blanc region. No ordinary hut, it requires being fully roped up and climbing a rocky, knife ridge to get there. The hut only being part 1 of the mission, the crew eyes a face called Blanche de Putrey. This face saw a first descent in 1978 and has never been repeated. Take a look at this gnarly face, it has Jeremy losing sleep...