In the quest to reach the summit in 15 days, the 13 remaining hikers are already struggling. A medical emergency shocks everyone, a terrifying rope crossing blocks their path and it all leads to a checkpoint where someone will be voted out.

The group learns about a chaser racing to catch them, so will need to step it up a gear if they want to avoid their cash being stolen. A terrifying obstacle stands in their way and two of the biggest competitors go head to head.