 When the raft the survivors have been building mysteriously burns down, Michael is convinced that Jin is responsible for the sabotage, which only further escalates their rivalry. Meanwhile, Sun stuns her fellow survivors with her surprising revelation that she s known to speak English all along. More of Jin s background story is revealed about his employment with Sun s dangerous gangster father in Seoul, leading to explain more of his troubled married with Sun and his feeling of being trapped in Sun s father s business deals. Also, Boone gives Sayid a warning about Shannon, that she uses guys and discards them.