Wes and team get their third big-game kill, but the victory quickly becomes an unexpected and very dangerous medical situation. A broiling heat wave pushes temperatures to 130 degrees and tests Bulent's ability to survive solo.

With extraction just days away, one survivalist goes against the group, is banished and must try to complete the challenge alone. Gwen and Sarah deploy crossbows as they push for one last kill. A deadly snake could end someone's challenge on Day 40.