Bernard attempts to create an S.O.S. signal, but stops when Rose tells him that she wants to stay on the island because she thinks it has cured her cancer. Romantic sparks are rekindled between Jack and Kate. Locke continues to lose faith in the island. In flashbacks, Rose and Bernard have their honeymoon in Australia. Michael reappears from the jungle when Jack and Kate try to trade Henry to the Others in exchange for Walt.
(From Wikipedia)