Temporary Chinese title: 《鐵探》
Pinyin title: Tit Taam
Temporary English title: "The Defected"
Producer: So Man Chung
- The story is about the internal strife within the police force. The series revolves around cops and undercover cops.
- Benjamin Yuen will play Seung Chi (尚垶), an iron detective. He later has a terminal illness.
- Kara Hui will play Man Hei Wah (萬晞華), a Chief Superintendent. She is Mat Yeung's mother.
- Philip Keung will play Bingo, a detective who is both good and evil. He has tragic experiences in his family and work.
- Sisley Choi will play Jill Chiu Hei Yuet (招喜悅), a cop. She was kidnapped when she was 11 years old, and she was almost raped by the kidnapper; because of this, she developed post-traumatic stress disorder. She acts sunny and positive in front of people, but she actually has serious moods, insomnia, and other problems. When she grows up, she joins the police force and then voluntarily joins the aerial rescue team. In the first episode, she goes undercover as a drug trafficker. She and Benjamin are good partners.
- Ben Wong will play Ching Yu Sam (程宇森), the head of the Internal Investigations Branch. He will investigate Kara, who is of a higher rank than he is; they are on opposing sides, and he also challenges her authority. He had a lot of glory in the past, even winning an award at a rock climbing championship; however, because he later became crippled, he has to sit in a wheelchair and can only act as a rock climbing instructor.
- Oscar Leung will play 「谷Sir」, an undercover cop. He has a romantic storyline with Joman Chiang. He is also called 「快活谷」.
- Grace Wong will play Yeung Hiu Yi (楊曉怡). She and Benjamin are a couple; have a five-year-old daughter, but they are unmarried because he prioritizes his career, but she hopes that he has some time to accompany her and their daughter. They get trapped in a love triangle because there is also a good doctor who treats her and her daughter well.
- Berg Ng will play a thief.
- Gloria Tang will play Kay, a cop.
- Bowie Cheung will play Benjamin's subordinate.
- Joman will play Iris Luk Wai Kiu (陸蔚喬).
- Lam Lei will play a vicious criminal.
- Yeung Chiu Hoi will play Kong Ching Lung (江正龍).
- Lau Tin Lung will play a cop.
- Aurora Li will play a cop.
- Deborah Poon will play Cheng Ka Man (鄭嘉敏).
- Otto Chan will play Ng Wai Chung (伍偉忠), a cop.
- William Chu will play a detective.
- Keith Mok will play a detective.
- Kelvin Yuen will play Yuen Pok Lam (袁博林), a Chief Inspector.
- Snowy Bai will play Suki.
- Shek Shau will guest-star as a Commissioner of Police.
- Sharon Chan will guest-star as So Wai Nga (蘇慧雅), a cop. She is Ben's wife.
- Tony Hung will guest-star.
Visit @ TVBE Clip (062718)
Visit @ Pearl Clip (062818)
Visit @ TVBE Clip (081618)
Visit @ "Extra" Clip (081618)
Completion Banquet @ J2 Clip (091118)
Completion Banquet @ "Scoop: Clip (091118)
Kara Hui on "The Green Room"
Philip Keung on "The Green Room"
Personal Note: Another series about undercover cops.... o_O Nice to see Kara back though!
*Credits to 袁偉豪內地粉絲後援會 and TVBUSAofficial