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 Jun-hyuk was born on March 13, 1984 and is currently 40 years old.
Kim Byung-choon was born on June 13, 1966 and is currently 58 years old.