In South Africa's Limpopo Basin, elite survivalists Matt Wright and Gary Golding must protect novice survivalists and super-fans attorney Molly Jansen and dog sledder Blair Braverman first as separate teams for 10 days then merging on Day 11 while dealing with spitting cobras, territorial elephants and a violent last-minute storm. Being unused to the unyielding heat, Blair was forced to tap out on Day 14.

A haunted Colombian rain forest punishes the survivalists with threats from deadly jaguars, 300 species of snakes and relentless biting insects. But their challenge is threatened when they don't heed the curse of the jungle.