Seungcheol is a detective, a strict person and known with its attitude; arrogant, sharp-tongued and very savage. "You look like a doberman, somehow." "Is that suppose to be an insult or mocking me because of my appearances?" "Both, bitch." Jeonghan is a lawyer, a professional one and a sass. He has a side, that none of them, nobody wants to see. But, as a single father can help some reputations be in such a great place, feeling guilty for a divorced father and a son. "Just try, please?" "I agree to disagree." In one fine day, Jeonghan found his son, gone missing. He was frustrated that he couldn't track his lost child and he hired a detective to help him out. Which, their first meet.. didn't turn great.