4 Season
150 Episode
Detective Investigation Files - Season 4 Episode 20
- Year: 1999
- Country: Hong Kong
- Genre: Mystery, Crime, Drama
- Studio: TVB Jade
- Keyword: detective, criminal investigation
- Director:
- Cast: Louis Koo, Jessica Hester Hsuan, Sunny Chan Kam-Hung, Charmaine Sheh, Lee San-San, Maggie Shiu