The Whole Truth

"The Whole Truth" is the 41st episode of Lost. It is the 16th episode of the second season. The episode was directed by Karen Gaviola, and written by Elizabeth Sarnoff and Christina M. Kim. It first aired on March 22, 2006, on ABC. The character of Sun Kwon (Yunjin Kim) is featured in the episode's flashbacks, which revolve around her and Jin Kwon's (Daniel Dae Kim) fertility problems. Plot Flashbacks In their apartment, Sun and Jin are about to make love, when Jin asks Sun if she took her temperature, ruining the mood. He says they've been trying for a year to conceive, and he thinks she should see a fertility doctor. Sun asks why he wants a baby he will never see. Jin says he's sorry for the things Sun's father makes him do and that a baby would change everything. The fertility doctor, however, advises them that Sun cannot conceive due to advanced endometriosis. Sun enters a hotel room to meet Jae Lee, her suitor from before she met Jin. Their conversation indicates the two are regularly meeting to teach English and seek advice on Sun's relationship. She tells Jae that she was glad to learn about her infertility. Jae asks her why she's learning English, to which Sun replies that she's leaving Jin for America. Jae tells Sun that one can't run away from their life. Sun asks if Jin is her life and Jae says he's not saying she should stay for Jin.