The story takes place in Seoul, 2011. Lee Yoon-sung is a talented MIT-graduate who's working on the international communications team at the Blue House. He encounters dangerous situations while solving a variety of cases, both big and small, for people who need his help, and eventually becomes a "city hunter."
Lee Min-ho
Lee Yun Seong
Park Min-young
Kim Na Na
Lee Jun-hyuk
Kim Young Joo
Kim Sang-joong
Lee Jin Pyo
Cheon Ho-jin
President Choi Eung-chan
Yang Jin-sung
Shin Eun-ah
Shin Young-jin
Kim Mi-ok
Kim Sang-ho
Bae Man Deok
Goo Ha-ra
Choi Da-hye
Lee Kwang-soo
Ko Ki-joon
Hwang Sun-hee
Jin Se-hee
Choi Il-hwa
Kim Jong-shik
