Season One Episode 21: Exodus 2
Rousseau leaves the Black Rock, and Arzt explodes while handling the dynamite. They encounter the monster—a cloud of black smoke. Rousseau steals Claire’s baby, who she has named Aaron. Sayid surmises that Rousseau intends to attempt an exchange of Claire’s baby, for her own child with the Others. Charlie and Sayid head toward the column of black smoke and along the way, they also encounter the drug smugglers’ plane, which Sayid reveals is full of heroin; Charlie takes some. When Sayid and Charlie arrive on the beach with the black smoke, there are no other people, just a pyre and Rousseau and Aaron. She returns Aaron and tells them that she overheard the Others saying that they were going after “the boy”. On the raft, the crew encounters a boat. It turns out to be a group of the Others who demand that they hand over Walt. Sawyer is shot and Walt is taken. An explosive is thrown onto the raft, destroying it. Meanwhile, Jack, Kate, Locke, and Hurley blow open the hatch. Jack and Locke look down into the hatch, and the camera reveals a very deep dark hole with a broken ladder. The survivors’ time in the airport and boarding the plane continues to be shown through flashbacks.