Noh Ji Wook is just a prosecutor from the Central District Prosecutors' Office who ends up switching livelihood to a private attorney. He harbors a injury stemming from a conference in his childhood involving his first love and his parents affair. A Taekwondo athlete in her youth, eun Bong Hee, is. Noh Ji Wook and eun Bong Hee both find themselves being a killer's focus.