Season 2
In 2010, Cheuk Hoi secretly travels to Bangkok to conduct a drug operation with his undercover agents in Thailand. However the success of the mission had cost all of Cheuk Hoi's undercover agents to be killed in a sea of fire. Meanwhile back in Hong Kong, his good friend CIB Inspector Lai, is killed for unknown reasons, leaving Cheuk Hoi to take charge of a female amateur cop who is not yet officially an undercover. Cheuk Hoi knows that Lai Sir still has undercover agents whose identities have been deleted. To learn the truth about Lai Sir's death, Cheuk Hoi must work with Cheng Suk Mooi to uncover and secure the remaining of his late-friend's undercover agents while dealing with corrupt officials in the Police Force.
Episodes
1 Episode 1 Sep 18, 2017 
2 Episode 2 Sep 18, 2017 
3 Episode 3 Sep 18, 2017 
4 Episode 4 Sep 18, 2017 
5 Episode 5 Sep 18, 2017 
6 Episode 6 Sep 18, 2017 
7 Episode 7 Sep 18, 2017 
8 Episode 8 Sep 18, 2017 
9 Episode 9 Sep 18, 2017 
10 Episode 10 Sep 18, 2017 
11 Episode 11 Sep 25, 2017 
12 Episode 12 Sep 25, 2017 
13 Episode 13 Sep 25, 2017 
14 Episode 14 Sep 25, 2017 
15 Episode 15 Sep 25, 2017 
16 Episode 16 Oct 2, 2017 
17 Episode 17 Oct 2, 2017 
18 Episode 18 Oct 2, 2017 
19 Episode 19 Oct 2, 2017 
20 Episode 20 Oct 2, 2017 
21 Episode 21 Oct 9, 2017 
22 Episode 22 Oct 9, 2017 
23 Episode 23 Oct 9, 2017 
24 Episode 24 Oct 9, 2017 
25 Episode 25 Oct 9, 2017 
26 Episode 26 Oct 16, 2017 
27 Episode 27 Oct 16, 2017 
28 Episode 28 Oct 16, 2017 
29 Episode 29 Oct 16, 2017 
30 Episode 30 Oct 16, 2017