Bernard tries to convince the survivors to build a S.O.S. signal with rocks on the sand, hoping to be seen by a satellite or an airplane. His first encounter with Rose, who was terminal, and their romance, are disclosed through flashbacks. Bernard never gives up searching for the cure of Rose before crashing the island. Meanwhile, Jack invites Kate to join him in the woods to propose to “The Others” a trade between Henry and Walt. John Locke is intrigued with the words of Henry about the unnecessary use of the computer. Is Henry playing him for a fool? Elsewhere, Charlie assists Mr. Eko in building a proposed church for the rest of the survivors.