Detective Agency: Ondal the Fool and Princess Pyeonggang (2016)

Sinopsis

Kang Hyeon-joong, a former National Intelligence Service agent, is currently running a private investigator office after he quit his previous job. Han Mi-so is his secretary helping him with his daily tasks in the office. One day, Kim Jin-hee comes to the detective’s office and requests him to investigate all the women who follow her husband around.