“Naked Fireman” is about character “Kang Chul Soo” (Lee Joon Hyuk). He is a dedicated firefighter, a man devoted friends. In addition to the main work, he also posed nude to make money running heal his sick friend. However, Kang Chul Soo suddenly suspected perpetrators of arson to murder from 10 years ago. With the help of Han Jin Ah (Jung In Sun), a mysterious heir, whether he can find the real culprit?