Jack and Julia's romantic evening is interrupted when Lisa arrives and reveals that she remembers "Winston Lowe" - and he's dangerous. Julia is concerned for Carly's safety, but Lisa insists that Julia find out if Carly's really in trouble before getting Jack involved. Julia faxes Carly "If you're in danger, send word." In Hong Kong, Winston wishes Carly "Happy Birthday" and urges her to give up her old life. Carly's joy in receiving the fax is short-lived when Winston discovers the fax machine. He destroys it, vowing this will never happen again. Jack and Julia resume their romantic evening and she hopes no news is good news. Holden's stunned that "Lily" would try to buy her way back into their marriage and he walks out. Holden asks Jack to help him track down Simon, so he can find out the truth about what's going on with Lily. "Lily" meets with Luke's camp counselor and takes responsibility for Luke's recent aggressive behavior. Holden tells "Lily" he's proud of her and they grow closer over a cozy family dinner. As Simon and Lily scuffle over the diamond, they realize that neither of them knew they had the diamond all along. They conclude Rose must have been behind the diamond switch. Simon finally confesses he needs the diamond to save his family home. Later, they decide to spend one last night in the cave before heading off the island. Lily is relieved they'll be getting off the island before "something" happens. Meanwhile, a dangerous looking hermit stands over the completed raft - with a machete!