Two survivalists Jonathan Klay and Alison Teal are marooned on a Maldivian island for 21 days. The surfer girl and the former Marine clash when sunstroke and starvation threaten their survival as they try to get through 21 days naked and afraid.

Puma Cabra and Julie Wright have to survive in Sabah, Borneo for 21 days. The jungle is their unrelenting foe as they battle with sickness, starvation and deadly wildlife, all of which tests their resolve and determination every step of the way.