Ben offers to take Jack off the island if he cooperates. Kate and Sawyer are let out to smash rocks and it is revealed that they are under video surveillance by Ben. On the sailboat, Sun, Jin and Sayid are ambushed by the Others. Sun shoots the Other Colleen and the boat is taken by the Others. Sun, Jin and Sayid make their way back to the survivors' camp. Flashbacks show Sun's father finding out about Sun's affair with Jae Lee. He orders Jin to kill Jae, but Jin threatens Jae instead, and Jae subsequently commits suicide.
(From Wikipedia)