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.
严志媛,安在旭,李必模,崔大哲,金烔完,尹博,李锡基,박준금,裴海善,朴孝朱,刘仁英,金承允,申涩琪,金俊裴,尹俊源
姜勋,朴柱炫
赵怡贤,秋泳愚,车康允,秋瓷炫,尹炳熙
李施吟,郑英珠,金多顺,南基爱
朴宝剑,金所泫
朴宝英,朴珍荣,刘庆秀