The Suspect (1998)
Louis Koo plays an assassin who wants to go straight after getting out of prison, so he turns down a job from his former employer Simon Yam to kill a politician Yam carries out the hit himself and manages to frame Koo for the crime
Those Were the Days (1995)
A gangster get mixed up with drugs after witnessing a friend killed during a gang fight Eventually he turns over a new leaf, gets an award for charity and he continues to preach to drug addicts to kick the habits