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.
徐贤,玉泽演,权韩率,徐范俊,池慧媛
李恩泉,金艺琳,李钟赫,金旻奎,원규빈,张德洙,박시우,张宋允
张申英,徐河俊,尹儿贞,吴彰锡
咸恩静,徐俊英,朴允载,李歌领
姜勋,朴柱炫