Manga by author Wan Dong Sib-o Cheong Dam Dong-geon Mul-ju Dong-geu La Mi

.This is the exhilarating story of two detectives who are dedicated to special investigations and violent crimes. In order to approach the infamous chairman of a big organisation, they have gone undercover to infiltrate and make an arrest. After a series of events, the relationship between the two starts to change little by little?!