As the trekkers struggle with the arduous terrain, the division of alliances among them becomes noticeable. When the Mountain’s Keeper observes the group’s slow pace, she offers a proposition to help them stay on track to reach the summit in time, but not without both individual and collective consequences.

After an unexpected twist, game plans shift as they begin to tackle harder terrain. While the trekkers are challenged with crossing a rickety bridge, emotions surge as the Mountain's Keeper arrives with a shocking choice for the trekkers to make, leaving one person’s fate hanging by a thread.

Sixteen Americans embark on a once-in-a-lifetime journey through the treacherous New Zealand Alps in an attempt to reach the peak of a mountain in just 14 days in order to keep their share of the $1 million prize they're carrying in their backpacks.