<P> At the airport, Sun was prepared to follow her instructions, and heads towards the car outside . A single moment of tenderness from Jin, however, caused her to change her mind, and she decided to accompany him to Los Angeles . At the airport restaurant, she purchased food for the two of them . Sun accidentally spilled coffee on Jin and after he left to clean himself off; she listened to the snide remarks of a couple seated a few tables away . She and Jin then boarded the doomed flight . </P> <P> Following the crash, Jin is overly protective of Sun, who tells her that they must isolate themselves from the other survivors . Whenever other survivors, particularly Michael, attempt to communicate with her, Sun is frowned upon by Jin . One morning, Jin is handcuffed to the wreckage after attacking Michael, and Sun attempts to indicate the watch that Michael is wearing . Sayid misinterprets this as a plea to remove the cuffs . Sun approaches Michael in the jungle and, to his surprise, explains about the watch in English, asking him to keep her bilingualism a secret . Prior to moving into the caves with Jin, Sun attempts to bury her fake I.D. when she is caught by Michael; the two share a brief tender moment before Sun flees . Later, Sun helps move the fallen rocks after Jack is caught in a cave in, and is almost volunteered to crawl through the narrow tunnel to save him by Jin . When Shannon suffers a near - fatal asthma attack, Sun asks Michael to gather some eucalyptus plants, in order for her to make an herbal remedy for her . Her assistance is scorned by Jin . </P> <P> Sun creates a garden in the jungle, where she grows a variety of different herbs and fruit plants . She is helped by Kate, who then figures out that she speaks English . She begs Kate not to tell anyone else . Later, Sun attempts to bathe in the sea, but is quickly escorted away by Jin, prompting Michael to intervene . Sun slaps him for intervening, but apologizes to him later . Jin suspects something between the two and grows wary . That night, after the raft burns down, Sun discovers Jin in the caves with burn marks on his hands . She asks Jin if he caused the fire, to which he grows angry . When he is accused and beaten by Michael, Sun is forced to reveal her long - hidden bilingualism in front of Jin, and begs Michael to stop . Later, Jin leaves Sun, refusing to speak to her . When Boone is brought to the caves in critical condition, Sun helps Jack in the ensuing operation, retrieving a sea urchin in order for Jack to make a blood transfusion . Despite their efforts, Boone dies later that night . </P> <P> Sun expresses her worry to Kate about Jin leaving her . Following her advice, Sun poisons Jin's drinking water, but ends up poisoning Michael instead . Only Kate and Jack know about this . Moments before departing, Sun writes Jin a phrasebook, containing English words written in Korean phonetics . This leads Jin to apologise to Sun for his behaviour . Jin believes he is on the island because he is being punished . Jin tells Sun that he is leaving because he is going to rescue her . The two reconcile before Jin departs on the raft . </P>

When does jin find out sun speaks english
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