Ben confronts Jack, claiming that Naomi is not who she seems. Meanwhile, Sawyer and Juliet try to come up with a plan to rescue the hostages at the beach. Inside the Looking Glass, Charlie and Desmond struggle to find a way to shut off the blocking signal.
The ambush for the Others goes awry and ends with Sayid, Jin, and Bernard getting captured. Ben is informed of Charlie\'s presence in the Looking Glass station and sends Mikhail to \"clean up\" the situation. He then embarks with Alex to meet the survivors heading for the radio tower. In spite of increasing concern amongst the survivors, Jack resolutely continues on their trek.
Charlie makes a list of the best moments of his life. Once again, Desmond has foreseen his death, but this time Charlie decides to face it head on. Jack devises a plan to fight back when the Others arrive, but unexpected developments jeopardize everything. Sayid discovers a way to contact Naomi\'s ship, but it requires a sacrifice. Everyone is on edge, as the first major confrontation with the Others approaches.
Locke confronts Ben and demands that Ben take him to Jacob. Ben complies, but the answers Locke receives are not what he expected. Ben remembers his childhood on the Island, revealing the history of the Dharma Initiative and how the Others came to power. Meanwhile, Juliet\'s deception is revealed back at the beach, but her and Jack\'s reactions are quite unexpected.
After abandoning the Others, Locke takes Sawyer on a trek through the jungle to help him eliminate a common enemy. Meanwhile, back at the beach, the parachutist Naomi has crucial information about flight 815.