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."
| Title | Air Date | Duration | ||
|---|---|---|---|---|
| Season 1 | Episode 1 | Episode 1 | 2011-05-25 | 70 min |
| Season 1 | Episode 2 | Episode 2 | 2011-05-26 | 70 min |
| Season 1 | Episode 3 | Episode 3 | 2011-06-01 | 70 min |
| Season 1 | Episode 4 | Episode 4 | 2011-06-02 | 70 min |
| Season 1 | Episode 5 | Episode 5 | 2011-06-08 | 70 min |
| Season 1 | Episode 6 | Episode 6 | 2011-06-09 | 70 min |
| Season 1 | Episode 7 | Episode 7 | 2011-06-15 | 70 min |
| Season 1 | Episode 8 | Episode 8 | 2011-06-16 | 70 min |
| Season 1 | Episode 9 | Episode 9 | 2011-06-22 | 70 min |
| Season 1 | Episode 10 | Episode 10 | 2011-06-23 | 70 min |
| Season 1 | Episode 11 | Episode 11 | 2011-06-29 | 70 min |
| Season 1 | Episode 12 | Episode 12 | 2011-06-30 | 70 min |
| Season 1 | Episode 13 | Episode 13 | 2011-07-06 | 70 min |
| Season 1 | Episode 14 | Episode 14 | 2011-07-07 | 70 min |
| Season 1 | Episode 15 | Episode 15 | 2011-07-13 | 70 min |
| Season 1 | Episode 16 | Episode 16 | 2011-07-14 | 70 min |
| Season 1 | Episode 17 | Episode 17 | 2011-07-20 | 70 min |
| Season 1 | Episode 18 | Episode 18 | 2011-07-21 | 70 min |
| Season 1 | Episode 19 | Episode 19 | 2011-07-27 | 70 min |
| Season 1 | Episode 20 | Episode 20 | 2011-07-28 | 70 min |
| Sound | Jonghyun | Vocals |
| Sound | Lee Hye-ri | Vocals |
| Sound | Park So-jin | Vocals |
| Sound | Bang Min-ah | Vocals |
| Sound | Kim Bo Kyung | Vocals |
| Sound | Yim Jae-beum | Vocals |
| Sound | Park Gyu-ri | Vocals |
| Sound | Yura | Vocals |
| Writing | Hwang Eun-kyung | Writer |
| Production | Kim Young Sup | Producer |
| Crew | Oh Jun-seong | Compositor |
| Writing | Choi Soo-jin | Writer |
| Production | Sebastian Lee | Producer |
| Writing | Tsukasa Hojo | Comic Book |
| Production | Lee Young Joon | Producer |
| Production | Hong Jong-chan | Producer |
| Directing | Jin Hyuk | Director |
