Watch Detective Investigation Files

Seasons and episodes

4 Season 4 March 29, 1999

4 - 1

Episode 1 March 29, 1999
4 - 2

Episode 2 March 30, 1999
4 - 3

Episode 3 March 31, 1999
4 - 4

Episode 4 April 01, 1999
4 - 5

Episode 5 April 02, 1999
4 - 6

Episode 6 April 05, 1999
4 - 7

Episode 7 April 06, 1999
4 - 8

Episode 8 April 07, 1999
4 - 9

Episode 9 April 08, 1999
4 - 10

Episode 10 April 09, 1999
4 - 11

Episode 11 April 12, 1999
4 - 12

Episode 12 April 13, 1999
4 - 13

Episode 13 April 14, 1999
4 - 14

Episode 14 April 15, 1999
4 - 15

Episode 15 April 16, 1999
4 - 16

Episode 16 April 19, 1999
4 - 17

Episode 17 April 20, 1999
4 - 18

Episode 18 April 21, 1999
4 - 19

Episode 19 April 22, 1999
4 - 20

Episode 20 April 23, 1999
4 - 21

Episode 21 April 26, 1999
4 - 22

Episode 22 April 27, 1999
4 - 23

Episode 23 April 28, 1999
4 - 24

Episode 24 April 29, 1999
4 - 25

Episode 25 April 30, 1999
4 - 26

Episode 26 May 03, 1999
4 - 27

Episode 27 May 04, 1999
4 - 28

Episode 28 May 05, 1999
4 - 29

Episode 29 May 06, 1999
4 - 30

Episode 30 May 07, 1999
4 - 31

Episode 31 May 10, 1999
4 - 32

Episode 32 May 11, 1999
4 - 33

Episode 33 May 12, 1999
4 - 34

Episode 34 May 13, 1999
4 - 35

Episode 35 May 14, 1999
4 - 36

Episode 36 May 17, 1999
4 - 37

Episode 37 May 18, 1999
4 - 38

Episode 38 May 19, 1999
4 - 39

Episode 39 May 20, 1999
4 - 40

Episode 40 May 21, 1999
4 - 41

Episode 41 May 24, 1999
4 - 42

Episode 42 May 25, 1999
4 - 43

Episode 43 May 26, 1999
4 - 44

Episode 44 May 27, 1999
4 - 45

Episode 45 May 28, 1999
4 - 46

Episode 46 May 31, 1999
4 - 47

Episode 47 June 01, 1999
4 - 48

Episode 48 June 02, 1999
4 - 49

Episode 49 June 03, 1999
4 - 50

Episode 50 June 04, 1999

3 Season 3 September 01, 1997

3 - 1

Episode 1 September 01, 1997
3 - 2

Episode 2 September 02, 1997
3 - 3

Episode 3 September 03, 1997
3 - 4

Episode 4 September 04, 1997
3 - 5

Episode 5 September 05, 1997
3 - 6

Episode 6 September 08, 1997
3 - 7

Episode 7 September 09, 1997
3 - 8

Episode 8 September 10, 1997
3 - 9

Episode 9 September 11, 1997
3 - 10

Episode 10 September 12, 1997
3 - 11

Episode 11 September 15, 1997
3 - 12

Episode 12 September 16, 1997
3 - 13

Episode 13 September 17, 1997
3 - 14

Episode 14 September 18, 1997
3 - 15

Episode 15 September 19, 1997
3 - 16

Episode 16 September 22, 1997
3 - 17

Episode 17 September 23, 1997
3 - 18

Episode 18 September 24, 1997
3 - 19

Episode 19 September 25, 1997
3 - 20

Episode 20 September 26, 1997
3 - 21

Episode 21 September 29, 1997
3 - 22

Episode 22 September 30, 1997
3 - 23

Episode 23 October 01, 1997
3 - 24

Episode 24 October 02, 1997
3 - 25

Episode 25 October 03, 1997
3 - 26

Episode 26 October 06, 1997
3 - 27

Episode 27 October 07, 1997
3 - 28

Episode 28 October 08, 1997
3 - 29

Episode 29 October 09, 1997
3 - 30

Episode 30 October 10, 1997
3 - 31

Episode 31 October 13, 1997
3 - 32

Episode 32 October 14, 1997
3 - 33

Episode 33 October 15, 1997
3 - 34

Episode 34 October 16, 1997
3 - 35

Episode 35 October 17, 1997
3 - 36

Episode 36 October 20, 1997
3 - 37

Episode 37 October 21, 1997
3 - 38

Episode 38 October 22, 1997
3 - 39

Episode 39 October 23, 1997
3 - 40

Episode 40 October 24, 1997

2 Season 2 December 11, 1995

2 - 1

Episode 1 December 11, 1995
2 - 2

Episode 2 December 12, 1995
2 - 3

Episode 3 December 13, 1995
2 - 4

Episode 4 December 14, 1995
2 - 5

Episode 5 December 15, 1995
2 - 6

Episode 6 December 18, 1995
2 - 7

Episode 7 December 19, 1995
2 - 8

Episode 8 December 20, 1995
2 - 9

Episode 9 December 21, 1995
2 - 10

Episode 10 December 22, 1995
2 - 11

Episode 11 December 25, 1995
2 - 12

Episode 12 December 26, 1995
2 - 13

Episode 13 December 27, 1995
2 - 14

Episode 14 December 28, 1995
2 - 15

Episode 15 December 29, 1995
2 - 16

Episode 16 January 01, 1996
2 - 17

Episode 17 January 02, 1996
2 - 18

Episode 18 January 03, 1996
2 - 19

Episode 19 January 04, 1996
2 - 20

Episode 20 January 05, 1996
2 - 21

Episode 21 January 08, 1996
2 - 22

Episode 22 January 09, 1996
2 - 23

Episode 23 January 10, 1996
2 - 24

Episode 24 January 11, 1996
2 - 25

Episode 25 January 12, 1996
2 - 26

Episode 26 January 15, 1996
2 - 27

Episode 27 January 16, 1996
2 - 28

Episode 28 January 17, 1996
2 - 29

Episode 29 January 18, 1996
2 - 30

Episode 30 January 19, 1996
2 - 31

Episode 31 January 22, 1996
2 - 32

Episode 32 January 23, 1996
2 - 33

Episode 33 January 24, 1996
2 - 34

Episode 34 January 25, 1996
2 - 35

Episode 35 January 26, 1996
2 - 36

Episode 36 January 29, 1996
2 - 37

Episode 37 January 30, 1996
2 - 38

Episode 38 January 31, 1996
2 - 39

Episode 39 February 01, 1996
2 - 40

Episode 40 February 02, 1996

1 Season 1 March 13, 1995

1 - 1

Episode 1 March 13, 1995
1 - 2

Episode 2 March 14, 1995
1 - 3

Episode 3 March 15, 1995
1 - 4

Episode 4 March 16, 1995
1 - 5

Episode 5 March 17, 1995
1 - 6

Episode 6 March 20, 1995
1 - 7

Episode 7 March 21, 1995
1 - 8

Episode 8 March 22, 1995
1 - 9

Episode 9 March 23, 1995
1 - 10

Episode 10 March 24, 1995
1 - 11

Episode 11 March 27, 1995
1 - 12

Episode 12 March 28, 1995
1 - 13

Episode 13 March 29, 1995
1 - 14

Episode 14 March 30, 1995
1 - 15

Episode 15 March 31, 1995
1 - 16

Episode 16 April 03, 1995
1 - 17

Episode 17 April 04, 1995
1 - 18

Episode 18 April 05, 1995
1 - 19

Episode 19 April 06, 1995
1 - 20

Episode 20 April 07, 1995

Overview

"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.