The 14 Brits who set off to climb one of New Zealand's highest peaks are down to 10. Having made it to the second base camp, they face a vote-off presided over by host Ben Shephard. As an exhausting snow hike sees the nine remaining climbers tested physically and mentally, call centre worker Sean struggles to keep up, a challenging rope crossing sees influencer Tara forced to find unconventional methods to stay on track, and the Mountain's Keeper sets a dramatic test.