Season 4

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.

1. 

   1. Episode 1

   1999-03-29 · 46m

2. 

   2. Episode 2

   1999-03-30 · 46m

3. 

   3. Episode 3

   1999-03-31 · 46m

4. 

   4. Episode 4

   1999-04-01 · 46m

5. 

   5. Episode 5

   1999-04-02 · 46m

6. 

   6. Episode 6

   1999-04-05 · 46m

7. 

   7. Episode 7

   1999-04-06 · 46m

8. 

   8. Episode 8

   1999-04-07 · 46m

9. 

   9. Episode 9

   1999-04-08 · 46m

10. 

    10. Episode 10

    1999-04-09 · 46m

11. 

    11. Episode 11

    1999-04-12 · 46m

12. 

    12. Episode 12

    1999-04-13 · 46m

13. 

    13. Episode 13

    1999-04-14 · 46m

14. 

    14. Episode 14

    1999-04-15 · 46m

15. 

    15. Episode 15

    1999-04-16 · 46m

16. 

    16. Episode 16

    1999-04-19 · 46m

17. 

    17. Episode 17

    1999-04-20 · 46m

18. 

    18. Episode 18

    1999-04-21 · 46m

19. 

    19. Episode 19

    1999-04-22 · 46m

20. 

    20. Episode 20

    1999-04-23 · 46m

21. 

    21. Episode 21

    1999-04-26 · 46m

22. 

    22. Episode 22

    1999-04-27 · 46m

23. 

    23. Episode 23

    1999-04-28 · 46m

24. 

    24. Episode 24

    1999-04-29 · 46m

25. 

    25. Episode 25

    1999-04-30 · 46m

26. 

    26. Episode 26

    1999-05-03 · 46m

27. 

    27. Episode 27

    1999-05-04 · 46m

28. 

    28. Episode 28

    1999-05-05 · 46m

29. 

    29. Episode 29

    1999-05-06 · 46m

30. 

    30. Episode 30

    1999-05-07 · 46m

31. 

    31. Episode 31

    1999-05-10 · 46m

32. 

    32. Episode 32

    1999-05-11 · 46m

33. 

    33. Episode 33

    1999-05-12 · 46m

34. 

    34. Episode 34

    1999-05-13 · 46m

35. 

    35. Episode 35

    1999-05-14 · 46m

36. 

    36. Episode 36

    1999-05-17 · 46m

37. 

    37. Episode 37

    1999-05-18 · 46m

38. 

    38. Episode 38

    1999-05-19 · 46m

39. 

    39. Episode 39

    1999-05-20 · 46m

40. 

    40. Episode 40

    1999-05-21 · 46m

41. 

    41. Episode 41

    1999-05-24 · 46m

42. 

    42. Episode 42

    1999-05-25 · 46m

43. 

    43. Episode 43

    1999-05-26 · 46m

44. 

    44. Episode 44

    1999-05-27 · 46m

45. 

    45. Episode 45

    1999-05-28 · 46m

46. 

    46. Episode 46

    1999-05-31 · 46m

47. 

    47. Episode 47

    1999-06-01 · 46m

48. 

    48. Episode 48

    1999-06-02 · 46m

49. 

    49. Episode 49

    1999-06-03 · 46m

50. 

    50. Episode 50

    1999-06-04 · 46m