Having returned to camp, Sawyer's help is enlisted by Hugo, who has an obsession with retrieving an old VW van found on the island. More events in Hugo's life are also revealed, showing what brought him to be on the doomed flight.
Claire launches a plan to use migratory birds to send a message, but she doesn't understand why Desmond keeps sabotaging it. Elsewhere on the island, Sayid, Locke and Kate scale The Others' protective perimeter and discover their camp.
Jack tells Kate that he has made a deal with The Others and is leaving via submarine tomorrow. But Locke blows up the submarine before Jack can leave, after having a long conversation with Ben about the island's powers.
Desmond has another vision of Charlie's death, but this time his death ultimately will result in Claire's rescue. Meanwhile, the survivors discover that an attack by the others is even more imminent than originally expected.
Jack and the survivors wait for Charlie to turn off The Others' signal-jamming device, not knowing that he has been captured at the Looking Glass station. In addition, Sayid, Jin and Bernard are captured after The Others invade the camp.