| Cast | Role | Position | Episode appearances |
|---|
| Ti Lung | Cheung Tin-yam
張天任 | Principal Investigator | 1-5 |
| Cheung Siu-fai | Ko Chin-fai
高展輝 | Senior Investigator | 1, 4 |
| Joey Leung | Lo Yat-chun
盧一俊 | Senior Investigator | 2, 3, 4 |
| Mark Kwok | Chu Kei-yip
朱紀棠 | Senior Investigator | 2, 5 |
| Louisa So | Shum Po-san
沈寶珊 | Senior Investigator | 4 |
| Ruby Wong | Chow Kit
周潔 | Investigator | 2, 3, 5 |
| Raymond Cho | Tong
阿湯 | Investigator | 2, 3, 5 |
| Shirley Cheung | Siu Yu-ming
邵宇明 | Investigator | 1 |
| Yung Kam-cheung | Luk King-hang
陸景行 | Investigator | 1 |
| Cheung Hak | -- | Investigator | 1-5 |
| Leung Fai-chung | -- | Investigator | 2-5 |
| Angel Sung | -- | Investigator | 1, 2, 4 |
| Lo Cheuk-nam | -- | Investigator | 1-5 |
| Tam Kuen-fai | -- | Investigator | 1-5 |
| Martin Lau | -- | Investigator | 1, 3-5 |
| Lau Chi-ching | -- | Investigator | 1, 3, 5 |
| Kam Chi-ching | -- | Investigator | 1, 3, 5 |
| Chow Hoi-san | -- | Investigator | 1, 2, 5 |
| Man Yeung | -- | Investigator | 1, 5 |
| Ngai Wai-man | -- | Investigator | 1, 3, 5 |
| Pang Kwok-leung | -- | Investigator | 1, 5 |
| Lau Sam-yee | -- | Investigator | 1, 3 |
| Tang Kin-pong | -- | Investigator | 1, 3 |
| Lui Kon-man | -- | Investigator | 1, 3 |
| Ho Kwan-lung | -- | Investigator | 1, 3 |
| Lo Siu-kuen | -- | Investigator | 1 |
| Leung Yiu-chung | -- | Investigator | 1 |
|
The leader of the Special Duties Squad is accepting bribes and is secretly harboring a prostitution ring. He arranges fake anti-vice operations with paid actors as the scapegoats of crimes. After investigation by the ICAC, the black sheep of the police force is brought to justice, preventing the reappearance of corruption tactics that existed in the 1960s-70s.
Written by Cheung Lik. Directed by Terry Tong
| Cast | Role | Description |
|---|
| Cheung Kwok-keung | Mok Kwok-chuen
莫國全 | Senior Inspector
Accepted bribes |
| Jerry Koo | Lui Wai-keung
廖維強 | |
| Danny Summer | Fong Chi-hung
方子洪 | Police sergeant
Accepted bribes |
| Eddie Lee | Yu Ying-piu
余應彪 | |
| Lo Tin-wai | Au Kin
歐健 | |
| Jay Leung | -- | Fong Chi-hung's wife |
| Lui Wing-yee | -- | Prostitute |
| Ng Wai-san | -- | Prostitute |
| Wong Fung-king | Tan
阿單 | |
| Chan Yuen | Ma Piu
馬彪 | |
| Wah Chung-nam | Uncle Sing
成叔 | |
| Choi Kwok-hing | Man-ping
文炳 | |
| Lee Kai-kit | CID | |
| Lee Chi-wah | CID | |
| Yim Man-hin | CID | |
| Wong Yeuk-yee | CID | |
| Sunny Tai | CID | |
| Cheung Chun-wah | CID | |
| Maggie Wong | Fong Wan-yee
方韻怡 | |
|
A financial tycoon is highly ambitious and his businesses are expanding. It turns out the funds are from bribing officers from a financial company. When his investment fails, its subsidiary companies are closed down, resulting in the company's shares taking a plunge, with investors suffering heavy losses, triggering a financial crisis. As the ICAC investigates, criminals are finally brought to justice.
Written by Hui Man-ho. Directed by Chow Fai
| Cast | Role | Description |
|---|
| Pat Poon | Tang Pak-nin
鄧柏年 | Chairman of Kai Tin International Group |
| Hoyan Mok | Law Wai-yee
羅惠儀 | Tang Pak-nin's secretary |
| Michael Tse | Mak Ka-fai
麥嘉輝 | Kai Tin chief financial officer |
| Ken Lok | Ho Ching-wan
何青雲 | CEO of San Tat Travel Agency |
| Kong Hon | Mo Man-chun
毛文俊 | |
| Kwok Fung | Chan Kam-ho
陳金河 | |
| Law Kwok-wai | Cheung Ping-yim
張炳炎 | |
| Samuel Yau | Cheung Hon-wah
張漢華 | |
| Kwong Cho=fai | Paul Lam | |
| Lam Sheung-yee | Old Choi
老蔡 | |
| Lily Liu | Mrs. Choi
蔡太太 | |
| Natalie Wong | Choi Po-yee
蔡寶兒 | |
| Chan Tik-hak | Chung
阿忠 | |
| Chan Chung-kin | | Judge |
| Fong Kit | | Defense lawyer |
|
Through intermediaries, health inspectors are accepting bribes from a restaurant proprietor for providing them with surprise inspection tips. One restaurant proprietor cannot condone these acts of extortion and reports the situation to the ICAC and also provides them with assistance. However, the corrupt men are very cunning and after repeated battles of wits with the ICAC, the culprit is finally arrested.
Written by Alex Cheung, Cheung Muk. Directed by Alex Cheung
| Cast | Role | Description |
|---|
| Liu Kai-chi | Lam Cheuk-sang
林卓生 | Health Inspector of Kowloon
Accepted bribes |
| Law Lan | -- | Lam Cheuk-sang's mother |
| Wong Hoi-yan | -- | Lam Cheuk-sang's older sister |
| Yue Chi-ming | Chiu Yat-ming
趙一平 | Manager of Tai Po Chi Seafood Restaurant
Tainted witness |
| Kam Hing-yin | Chan Cheung-wah
陳昌華 | Health Inspector of Kowloon
Accepted bribes |
| Leo Tsang | -- | Lam Cheuk-sang's brother in-law |
| Ling Hon | Chui Wai-tung
崔惠東 | Owner of the Food and Drink Consultant Company
Former staff of the Urban Services Department |
| Suen Kwai-hing | Uncle Hing
卿叔 | |
| Kwok Tak-sun | Officer Wong
王Sir | |
| Cheung Hon-ban | | Urban Services Department staff |
| Tong Chun-ming | | Urban Services Department staff |
| Au Ka-wai | | Food store owner |
| King Kong Lam | Wing
阿榮 | |
| Che Po-law | | Owner of Kam Kei Restaurant
Informer |
| Lee Hoi-sang | | Owner of Wong Kei Restaurant |
| Au Ngok | Ping
阿丙 | |
| Wong Chun-wai | | TV reporter |
| To Tai-wai | | Restaurant employee |
|
An engineer of the Transport Department abuses his power by making things difficult for the manager of the parking lot expansion company in order to obtain bribes. After some investigation, the ICAC discovers a voir dire that involves a senior official of the Lands Department. The ICAC eventually brings the criminals to justice.
Written by Chan Man-keung. Directed by Terry Tong
| Cast | Role | Description |
|---|
| Marco Ngai | Chan Chi-wai
陳志偉 | Planning manager of real estate company |
| Wong Wai | Pong Wai
龐衛 | Senior Estate Surveyor of Lands Department
Accepted bribes |
| English Tang | Cheng Chung-man
鄭忠文 | Senior engineer of Transport Department
Accepted bribes |
| Pau Fong | Chairman Chow
周總裁 | |
| Chiu Hung | Lee Chi-po
李志波 | |
| Sze Man | | Secretary |
| Chan Cho-kiu | Ho On-nei
何安妮 | Cheng Chung-man's mistress |
| Winnie Yeung | Mrs. Chan
陳太 | |
| Simon Lo | Chow Siu-nam
周紹南 | |
| Sugar Yau | Rebecca | |
| June Chan | Angel | |
| Terry Tong | | Lawyer |
| Leung Kin-ping | | Prosecutor |
| Chiu Shek-man | | Judge |
|
A case involving a mainland Chinese businessman using a fake passport triggers a series of corruption activities, including a foreign consular accepting bribes to forge travel documents. Cooperating with the Immigration Department, the ICAC sends undercover investigators to investigate, and successfully brings all criminals to justice.
Written by Chan Man-keung, Law Lai-kei. Directed by Chow Fai
| Cast | Role | Description |
|---|
| Steven Ma | Chiu Man-tak
趙文德 | Director of Immigration Department
Informer |
| Ching Siu-lung | Cheuk Wing
卓榮 | Mainland Chinese business
Document forger |
| Ricky Wong | Leung Chi-kwan
梁志昆 | Fish Bar owner
Document forger |
| Akina Hong | Sing Choi-fung
盛彩鳳 | Cheuk wing's girlfriend
Document forger |
| Felix Lok | Chan Wing-keung
盛彩鳳 | Travel agency owner
Document forger |
| Lee Chun-sam | Ben | |
| Lau Lun-po | | Chiu Man-tak's girlfriend |
| Daniel Kwok | | Leung Chi-kwan's underling |
| Joseph Yeung | Ko Kwan-pang
高君鵬 | |
| Lee Wai-kei | | Immigration Department staff |
| Gregory Charles Rivers | | Superordinate |
| Suen Yan-ming | | Leung Chi-kwan's underling |
| Chung Kin-man | | Immigration Department staff |
| Ng Yik-him | | Immigration Department staff |
| Ho Wai-yip | | Immigration Department staff |
|
