
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."

as Lee Yun Seong

as Kim Na Na

as Kim Young Joo

as Lee Jin Pyo

as President Choi Eung-chan

as Shin Eun-ah

as Kim Mi-ok

as Bae Man Deok

as Choi Da-hye

as Ko Ki-joon

as Jin Se-hee

as Kim Jong-shik

as Chun Jae-man

as Lee Kyung-hee


as Suk Doo-shik

as Jang Pil-jae

as Park Ho-shik

as Song Young-deok

as Seo Yong-hak's Wife

as Jang Woo-hyun

as Mueangsurin

as Candidate Seo Yong-hak

as Lee Kyung-wan

as First Lady

as Song Mi Jin

as Na-na's Father

as Nun

as Guide

as Reporter

as Reporter

as Go Gi Wook


as Speaker of the National Assembly



as Lawmaker Lee's assistant



as [Kim Na Na's mother]

as reporter

as Cheon Jae Man's secretary

as bank manager, Cheon Jae Man's creditor

as member of Parliament, Cheon Jae Man's creditor

as attorney general