Choi Mun Oh chose the path of a police officer and his girlfriend is not happy with his job. He fights against prejudice toward policeman and the retiring chief Um supports him to keep up the spirit and pride as a police officer. One day, he is injured by a criminal while he was loyal to his duty to protect citizens. Although unconscious, he calls out for his girlfriend, Yeong Joo, and they get married at the police station immediately after his recovery.