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.

Two survival instructors put their skills to the test during a 21-day challenge in the Philippine jungle. Stalked by king cobras and plagued by a debilitating illness, the experts must learn new skills to endure this master class in survival.