

Web series
Detective Investigation Files
"Detective Investigation Files" revolves around the professional and meticulous investigations carried out by a group of dedicated police officers. As they delve into mysterious deaths with unclear causes, they tirelessly work towards maintaining peace and security for the people. However, their demanding job often comes at the expense of personal happiness. Cheung Dai Yong, a brilliant and astute police officer, has a track record of solving crucial cases. His trusted colleague, Lee Chung Yee, stands by his side, and together they tackle challenging and complex cases. Amidst their work, Dai Yong encounters Ko Jit, a tenacious journalist. Despite their initial conflicts, a deepening connection blossoms between them. However, Ko Jit already has a romantic partner.
- Status
- Ended
- Type
- Scripted
- Last aired
- 1999-06-04
- Language
- Cantonese
TVB Jade
- detective
- criminal investigation
Seasons

Season 1
20 episodes · 1995
Cheung Dai Yong, a brilliant and astute police officer, has a track record of solving crucial cases. His trusted colleague, Lee Chung Yee, stands by his side, and together they tackle challenging and complex cases. Amidst their work, Dai Yong encounters Ko Jit, a tenacious journalist. Despite their initial conflicts, a deepening connection blossoms between them. However, Ko Jit already has a romantic partner.
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Season 2
40 episodes · 1995
Detectives Cheung Tai Yung and Lee Chung Yee are back! This time, they are faced with even tougher cases: “Fatal Attraction”, “Destroying the Corpse”, “Death Warning, “ and “The Son’s Cross”. Meanwhile, Yung and Jessie are at a crossroads. Their love is tested as Carmen, a new member of Yung’s team, comes into the scene. Carmen is crazy about Yung. Then, Jessie finds out Carmen was once involved in a murder case.
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Season 3
40 episodes · 1997
An even more thrilling succession to the second series, the "Detective Investigation Files III" continues to depict mysterious murder cases solved by Yung (Dai Tai Yu) and Yi (Leung Wing Chung), while at the same time, goes on telling the love story of the two detectives.
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Season 4
50 episodes · 1999
Detective Investigation Files IV (Chinese: 刑事偵緝檔案IV) is the 4th and final installment of the Detective Investigation Files TV franchised by TVB in Hong Kong. It is a complete reboot of the series, with new cast. The series focuses on the lives of two detectives, Tsui Fei (Louis Koo) and Kong Chi Shan (Sunny Chan), and the murder cases they deal with.
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Top billed cast
















Behind the camera
Produced in
Hong Kong
Gallery





Videos
Air dates
- First aired
- 1995-03-13
- Latest episode
- 1999-06-04
- Status
- Ended
- Next release
- Completed
- Season 113 Mar 1995
- Season 211 Dec 1995
- Season 31 Sept 1997
- Season 429 Mar 1999
Frequently asked questions
Streaming availability for Detective Investigation Files in India is not confirmed yet. Check back soon.
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