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.
as William Luk
as Ching Tak-Wing
as Tso Yuen-Yuen
as Wong Man-Ban
as Natalie Liu
as Wong Lam-Luk
as Lau Po-Keung
as Sum Kwok-Keung
as Donut
as Cel
as Yiu Kwan-Ho
as Chin Kwok-Fung
as Liu Mok-Chi
as Tammy
as Tony
as Wong Hoi-Leung
as Nadal
as Wong Ka-On
as Hong Liang
as Ding Rou
as Chek Lap-Kwok
as Sai
as Commissioner of correctional services
as Cao Bai
as ICAC director of investigation
as Yiu Kwan-Ho's Man
as ICAC
as Shark Skin
as ICAC Officer
as Yiu Kwan-Ho's Man
as Hot Pot Restaurant Waiter
