It's kill or be killed as survivalists Jeff and Eva journey to Madagascar and take on the unforgiving Massif D'Isalo - its nasty boa constrictors, abundant black widow spiders, and harsh desert landscape.

Two survivalists are challenged to survive in a flooded jungle of Belize. The man and woman must face a labyrinth of Mayan caves filled with poisonous snakes and rabid bats. Can they conquer their fears and emerge from the darkness?