A romantic investigative drama regarding novice detective Yoo-Ryung who solves situations with her overruning sense of justice and also phenomenal spatial assumption but constantly obtains herself into trouble because of her breakout activities. She fulfills the Wangsimni station constabulary principal, a guy that prevents instances and also seeks security that constantly winds up cleaning up after the troubles brought on by Yoo Ryung as well as holds the key to fixing the situations.