Starring：Park Hae-jin, Kim Sang-joong, Ma Dong-seok, Jo Dong-hyuk, Kang Ye-won
type： Korean Drama
area：South Korea
language：Korean
Release：2014
update：2024-11-12 23:49:22
Plot：
They are a group of people who are worse than the bad guys, but it is this group of people who use their own unique methods to eliminate violence and maintain peace in society.
