Dropped into a high-altitude jungle in Colombia, Tommy and Leah face territorial pumas and venomous fer-de-lance snakes, but the biggest threat may be the extreme temperature changes with highs of up 100 degrees and lows plummeting down into the 40's.

In the mountainous rainforest of Honduras, a survivalist with an unusual past is paired with a hard-headed police detective to try and survive 21 days, but predatorial jaguars, swarms of fire ants and a debilitating injury threaten their challenge.