Everyone continues to explore the secrets of the island and find a way to escape. Unexpectedly, there are "others" who are well-organized and have lived on the island for a long time. "Others" put Jack (Matthew Fox), Kate (Nicole Evangeline Lilly), and Sawyer (James Ford) in prison. They try to escape. The one who helps Jack escape is a woman named Juliet (Elizabeth Mitchell) from "Others". She follows Jack to the camp and reveals the "Dharma Project" that existed on the island. Now the leader of "Others" Ben (Michael Emerson) is the one who destroyed the "Dharma Project". Juliet arrives at the camp, seemingly with the mission given to her by Ben, which is to take away the pregnant women among the survivors...