Bulent scores an armadillo with his bare hands, but Na'im struggles to process the win using a fan blade; Andrew and Heather try to make fire, but the only sparks come from their conflict; Candice's team repurposes debris to trap a protein source.
Ravaged by bugs, Heather must move camp, but with no map the grueling trek puts Andrew's challenge at risk; Bulent works to trap a wild pig, but his approach frustrates his team; Candice tries to turn the pelican carcass into a new food source.
Heather, Andrew and Patrick scavenge debris to make fire; Candice secures a protein win; Bulent and Na'im butt heads when their pig snare fails, and Kerra is caught in the middle; a survivalist is medically evacuated off the island.
Bulent struggles with uninvited guests and scrambles to protect his huge meat win; a water migration tests Na'im, Kerra and Justin's raft -- and a mysterious fever puts their challenge at risk; the groups join forces to push north for extraction.
To be rescued, the remaining castaways must hike across jagged, volcanic rock and crumbling cliffs, build a large signal fire, and construct a raft from driftwood and debris. An explosive fight between Na'im and Patrick threatens extraction.