Detective Investigation Files

Detective Investigation Files is a 1995 Hong Kong crime investigation drama series produced by Poon Ka Tak for TVB and is the first installment in the Detective Investigation Files Series. The main characters were played by Michael Tao, Joey Leung, Kenix Kwok and Louisa So. This installment featured five different cases.

Detective Investigation Files
DetectiveInvestigationFiles 1995 TVB.jpg
GenrePolice procedural drama
StarringMichael Tao
Joey Leung
Kenix Kwok
Louisa So
Opening theme感情真相 by
Leo Ku
Ending theme對你始終痴心一往 by
Leo Ku
Country of originHong Kong
Original languageCantonese
No. of episodes20
ProducerPoon Ka Tak
Running timeapprox. 45 minutes
Original networkTelevision Broadcasts Limited
Original releaseMarch 13 (1995-03-13) –
April 7, 1995 (1995-04-07)
Followed byDetective Investigation Files II
Detective Investigation Files III
Detective Investigation Files IV
External links


Cops Yung (Michael Tao) and Yee (Leung Wing Chung) were good friends as well as partners. Their shrewdness and intelligence helped break many mysterious murder cases: ‘Love Suicide’, ‘Chopped Corpse’, ‘Murderer Vs Victim’, etc. Yung and Yee shared their worries over love too. Yung’s girlfriend Chi (Kwan Po Wai) jilted Yung to go after Yee when she learnt about Yee’s wealth. Yung, on the other hand, met the headstrong reporter Chit (Kennix Kwok) during an investigation and they fell for each other. However, Chit already had a boyfriend...


Main castEdit

Actor Role Description
Michael Tao Cheung Tai Yung
Jessie's boyfriend
Gigi and Chung Yi's best friend
Joey Leung Lee Chung Yi
Tai Yung's subordinate and best friend
Gigi's husband
Kenix Kwok Ko Chit
Tai Yung's girlfriend
Louisa So Yung Kam Chi
Tai Yung's best friend
Chung Yi's wife

Supporting castsEdit

Case 1: Insurance murder case(Episode 1-3)Edit

Actor Role Description
Henry Lee Fong Chun Kit Lee Man Fong's husband
Daisy's secret lover
Captured in episode 2
Tsui Ga Bo Lee Man Fong Nurse
Fong Chun Kit's wife
Stabbed to death by Daisy in episode 2
Jay Leung Daisy Insurance manager
Fong Chun Kit's secret lover
Murdered Lee Man Fong and framed Fong Chun Kit for the murder in episode 2
Captured in episode 3

Case 2: Secret of an Angel(Episode 3-6)Edit

Actor Role Description
Chong Man Sui Chung Ho Yi Canteen cashier
A Vietnamese-Chinese
Chung Kit Yi's younger sister
Lee Chung Yi's ex-girlfriend
Killed Wu Sam in episode 3
Arrested in episode 5
Pok Kwan Wu Sam Tabloid reporter
Extorted Chung Kit Yi numerous times
Killed by Chung Ho Yi in episode 3
Lee Kwai Ying Chung Kit Yi Chung Ho Yi's older sister
Wife of a wealthy businessman
Gave birth to a deformed baby and was extorted by Wu Sam

Case 3: The Butterfly Murders case(Episode 6-10)Edit

Actor Role Description
Ram Chiang Wong Wai On Tse Yuen Ting's husband
Mak Chui Han Tse Yuen Ting Emily

Jessie's Boss

Wong Wai On's wife
Killed Lam Yan Mei and Peter

Attempted to kill Jessie and Wong Wai On

Shot by Tai Yung when she tried to run him over and drove off a cliff (Unknown whether she died from the gunshot or car crash)

Zhang Yan Lam Yan Mei 阿May
Wong Wai On's secret lover
Jessie's friend
Killed by Tse Yuen Ting
Gregory Charles Rivers Peter Tse Yuen Ting's secret lover
Killed by Tse Yuen Ting

Case 4: Videotape extortion(Episode 12-14)Edit

Actor Role Description
Angie Cheong Pak Mei Former strip dancer
Conspired with Wong Keung to daze and extort money from various men
Killed by Wong Keung in episode 12
Derek Kok Wong Keung Pak Mei's boyfriend
Attacked and killed Pak Mei in episode 12
Arrested in episode 14

Case 5: True and false kidnapping (Episode 15-20)Edit

Actor Role Description
Maggie Chan Ko Man Jessie's older sister
Kan Tong Tong's mother
Failed to fake Kan Tong Tong's kidnapping
Meiki Wong Kan Tong Tong Ko Man's daughter
Jessie's niece
Kidnapped by Kan Chi Yuen
Gary Chan Kan Chi Yuen Ko Man's brother-in-law
Kan Tong Tong's uncle
Kidnapped Kan Tong Tong

See alsoEdit

External linksEdit