Hak bak dou (AKA: On the Edge)

Hak bak dou (AKA: On the Edge)

Year: 2006
Genre:
Plot: After 8 years of working undercover among triads, Harry Sin busts a crime lord and returns to regular police work. But old habits die hard, and Harry's immersion in the underworld is tough to shake.
IMDB: 6.5