When Hurley becomes obsessed with the mysterious French woman, he heads into the jungle to find her. Jack, Sayid and Charlie have no choice but to follow. Hurley's background story is revealed how he won a multi-million dollar lottery, which brought nothing but back luck to everyone around him, leading to why he ventured to Australia to search for the source of a series of numbers which led him to win the lottery. Meanwhile, Locke asks Claire to help build a mysterious item.