This drama focuses on a group of detectives in the Seoul Gangnam Police Homicide Division who solve crimes based on real life cases with their variety of skills and investigative methods. At the forefront of the team is the impulsive and hotheaded detective Park Se Hyuk and the cold, commanding police chief, Jung Il Do. Park Se Hyuk's passion for his work and rough personality results in a tendency to take action first before thinking later, in contrast with Jung Il Do's by-the-book style.
Stephen Chow's Fight Back to School, re-set it in an all-girl's school in Korea, and add a sexy female protagonist, and you'll have some idea of what writer/director Park Kwang-choon (Madeleine)has in store for you in his entertaining action comedy, She's On Duty! Kim Seon-ah (S Diary, Wet Dreams) plays a female detective who has to go deep undercover as a high schooler in order to thwart a plot by the Japanese Yakuza to traffic teenage girls as sex slaves! Not content to save just the girls from a life of prostitution, Kim's character even lends a hand in squashing in-school violence, giving a performance that has earned raves from nostalgic audiences longing for the "good ol' days" of high school. Also featuring performances by Gong Yoo (My Tutor Friend), Nam Sang-mi (Too Beautiful to Lie), and Park Sang-myeon (My Wife is a Gangster), She's On Duty is one film that goes straight to the head of the class!