Liu Yue Ping reports to the ICAC about a rich 2G Cao Yuen Yuen who bribed officers of the Hong Kong Correctional Services (HKCS) from inside the prison. William Luk decides to infiltrate the prison as an inmate to conduct his investigation, while his partner Ching Tak Ming and Chief Inspector Lau Po-keung back him up from the outside.
Louis Koo
Kevin Cheng Ka-Wing
Raymond Lam Fung
Gordon Lam Ka-Tung
Chrissie Chau Sau-Na
Louis Cheung
Julian Cheung Chi-Lam
Patrick Tam Yiu-Man
Dada Chan Ching
BabyJohn Choi Hon-Yik
Liu Kai-Chi
Ai Wai
Lo Hoi-Pang
Janelle Sing
Stefan Wong
Deon Cheung Chung-Chi
Justin Cheung Kin-Sing
Adam Pak Tin-Nam
Ding Haifeng
Monna Liu
Kevin Chu Kam-Yin
Kumer So
Shek Sau
Mannor Chan
Eddie Kwan Lai-Kit
Singh Hartihan Bitto
Lo Meng
MJ Chan
Ken Law Ho-Ming
Lam Kwok-Kit