Kim’s role is that of the Korean fisherman’s son “Jin-Soo Kwon”. He crashed on the island together with his wife, “Sun”, whom he married a couple of years earlier. To be able to be with her, he had to work for her father, “Mr. Paik” who made him do unspeakably violent things. “Jin” has changed a lot while working for him, so “Sun” wanted to leave him. He only speaks Korean and has trouble communicating with the other survivors.