A military veteran with a crippling fear of snakes and a Canadian cattle rancher try to survive 21 days in the unforgiving Philippine jungle. A mystery visitor torments them nightly; wracked with hunger, they attempt to trap it.

Naked and Afraid legend Laura Zerra returns to mentor a blacksmith and a former MMA fighter as they attempt to survive 21 days in Yucatán, MX. But scant food resources, deadly crocodiles, and violent storms shake their confidence.