Grupa rozbitków po katastrofie samolotu trafia na bezludną wyspę. Jest wśród nich dwójka przyjaciół i grupa różnych, obcych sobie osób, które odtąd wspólnie będą musiały radzić sobie w ekstremalnych warunkach i zmierzyć się z wieloma przeciwnościami losu.

The survivors find a satellite phone, Danny confronts his past, Todd learns about the death of his child, and a discovery is made that could change everything.

Pack, Emma, and Florence face a tough choice and the survivors make a discovery that could change everything.

Pack goes on a vision quest, Danny helps Owen relax, Todd makes a power play to take control, and the survivors make a discovery that could change everything.

Todd adjusts to a life of solitude, Pack finds other crash survivors, and the survivors make a discovery that could change everything.

The survivors hold a trial after someone is seriously injured and the survivors make a discovery that could change everything.

Danny and Owen start a new camp, two survivors try to escape the island, and the survivors make a discovery that could change everything.

Owen has an encounter in the jungle. Todd, Florence, and Emma adjust to life off the island and the survivors make a discovery that could change everything.

Na horyzoncie pojawia się statek ratowniczy, ale Steve i Karen zakazują rozbitkom wezwania pomocy. Między Owenem i Pack dochodzi do konfrontacji. W tym samym czasie Todd ratuje życie Jess.