Happy Together (해피 투게더; Haepi Tugedeo) is a 1999 South Korean television series starring Lee Byung-hun, Song Seung-heon, Kim Ha-neul, Jo Min-su, and Jun Ji-hyun. It aired on SBS from June 16 to August 5, 1999 on Wednesdays and Thursdays at 21:55 for 16 episodes. Starring young actors who would go on to become Korean TV and film stars, the hit drama revolves around five children who were separated at the death of their parents, and the love, conflicts, and reconciliation that these siblings go through when they meet again as adults.
After the tragic death of their parents, the lives of five siblings are irrevocably changed when they are separated. Now grown up, Seo Tae-poong is a professional baseball player. Longing to bring his family back together, the kind-hearted Tae-poong has been searching his whole life for his brother and three sisters.
Tae-poong's older sister Seo Chan-joo (Jo Min-su) has been supporting her younger siblings Moon-joo (Kang Sung-yeon), and Ji-suk (Song Seung-heon), who is newly engaged to his girlfriend Jin Soo-ha (Kim Ha-neul). When Tae-poong finds Chan-joo, Ji-suk and Moon-joo, his estranged siblings want nothing to do with him. Reeling from their coldness, Tae-poong must also deal with an eight-year-old boy who claims to be his son. Not knowing what to do, Tae-poong turns to Chan-joo for help.