讲述各种各样性格的刑警，通过分析案情一步步破案的过程。This drama outlines the various stories in which detective with strong personalities solve their ways through crimes with different investigative methods and know-hows.
沈利煐,宋昌义,崔贞允,郑英燮
韩彩英,韩宝凛,崔雄
朴荷娜,朴尚南,金史权,李妍度,朴真熙,李垠亨
韩智贤,李民基
黄寅烨,郑采妍,裴贤圣
赵祐镇,池昌旭,河允庆