A powerful earthquake in the Philippine jungle rattles a thrill-seeking chef and a competitive hockey mom but the territorial monkeys, rainstorms, lack of food and dehydration lead to a disastrous face-first fall.

In the frigid mountains of Bulgaria, wolves circle a successful fan survivalist trying to conquer the 21-day challenge. Large fires are their defense against predators and hypothermia until the flames fan out of control and become the biggest threat.