12 elite survivalists are dropped into the brutal South China Sea where they must survive 40 days on land and sea. Plus, 2 All-Star survivalists enter the same challenge looking to survive not just 40 but an unprecedented 60 days.

Ambushed by violent tropical storms, the survivalists are pounded by torrential rain and heavy surf. When one team takes to the open seas they are stalked by territorial sharks. The storms and lack of food brings one survivalist to their breaking point.