In 1977, the survivors succeed in detonating the modified nuclear bomb at the construction site of the Swan station, the finale ending when the bomb is detonated. In 2007, Locke and the Others travel to the base of the four-toed statue, where Jacob lives. Locke is revealed to be an impostor: an old acquaintance of Jacob who manipulates Ben into killing Jacob. In flashbacks, Jacob visits several of the main characters at key moments in their lives prior to crashing on the island.