City Hunter

Story starts in 1983. The president of south korea and the delegates are visiting Burma. Bomb exploded by North Korea were south korean taking their revenge by sending 21 troops to execute their plan .However, as the operation is taking place, five high-ranking officials change their minds and abort the plan in order to avoid an international crisis if the mission is discovered. 

Lee Jin Pyo, stepfather of Lee Yeon Sung only in the 21 troops in south korea was alive. Lee Jin Pyo get the child of Park Moo Yul  and flees to Southeast Asia's Golden Triangle, specifically the mountainous Burmese-Thai border.  There, he raises the child as his own and trains the boy intensively in combat.

Following an attack on the village. Lee  Jin Pyo confesses his long-term plan for revenge to the child, Lee Yoon Sung.  Yoon-sung returns to South Korea to fulfill his step-father's plan for revenge. He enters the Blue House as an IT expert under the National Communication Network Team. He is warned by Jin-pyo not to trust anyone and never to fall in love, as doing so will put the people around him in danger. Their, he meet Kim Na Na. The story of love and revenge begins


CASTS: 
Lee Min Ho as Lee Yeon Sung
Park Min Young as Kim Na Na
Lee Joon Hyuk as Kim Young Joo
Kim Sang Joong as Lee Jin Pyo
Kim Sang Ho as Bae Shik Joong
Hwang Sun Hee as Jin Sae Hee 
Goo Hara as Choi Da Hye
Chun Joo Hin as Choi Eung Chan
Park Shin Yen as Park Moo Yul
Kung Yat Pu as Lee Kyung Hee
Lee Seung Hyun as Song Young Duk
Yang Jin Sung as Shin Eun Ah
Lee Kwang Soo as Go Ki Joon
Kim Byong Chun as Jang Woo Hyun
Shin Young Jin as Kim Mi Ok
Lee Yoo Jung as Lee Kyung Wan
Choi Jung Woo as Chun Jae Man
Choi Il Wa as Kim Jong Shik
Choi Sang Hoo as Seo Yong Hak
Chae Sang Woo as child Poo Chai