为了站上大韩民国的权力之巅，投身权力卡特尔(译注:检察官体系中紧密的利益集团)的检察官方泰燮，与围绕在他身边的人所上演的一场激烈生存博弈。
单亲妈妈颜聆在调查闺蜜自杀真相的过程中，意外陷入“情感操控（PUA）”陷阱，爱恨纠葛中，颜聆逐渐觉醒并最终重获新生。
Sergeant Voight tries to find out who is behind the murder of Jin, and come up with the unbelievable discovery and learned that Sergeant Edwin Stillwell playing a double game with the intention of getting out on the surface of the big fish along with Voight. In the meantime, all members of the intelligence departments receive death threats from an unknown group called "Shadow". At several places in Chicago in a fire, explosion, and robbery, for which "Shadow" take responsibility, bringing the city into chaos.
