Directed by Jang Yoon-hyeon (장윤현)
Screenplay by Kim Eun-jeong (김은정), Kim Eun-sil (김은실)
•Action •Mystery •Thriller 119min
| Release date in South Korea : 2004/10/22
Narcotic Squad leader HONG is suspected in a drug-related incident. Sung-joo, a young investigator, was commissioned by HONG to go undercover as a member of a gang called ‘Piercing’. Sung-joo leaves his cover and returns to the squad to help clear detective HONG of dishonor. On the 4th day of his investigation, he meets Yoo-jin, a traffic reporter who has the key to this incident.