The 10 remaining survivalists cross the 21-Day milestone and enter into unchartered waters. Scarce resources send the survivalists on a collision course. They fight for their lives with a huge electric eel and are visited in the night by a gigantic puma.

After thirty-one days in the Colombian jungle, the pressure is on to get the nourishment they need to survive extraction, but when one member doesn't play by the rules, the future of one group is thrown into jeopardy.