The series continues several story lines from the first and second seasons, but it delves further into the relationships of the characters. Yew Jia (Qi Yuwu) has been promoted a rank. He and his girlfriend, later fiancée, Xin Yi (Joanne Peh), are back together again. Xin Yi has since been transferred to the Traffic Police Department and struggles with post-traumatic stress disorder from her time overseas with the UN after witnessing an incident there. Tze Keat (Rui En) and Lum Thiam (Li Nanxing) are married and the latter has transferred from the Forensics Branch to the Criminal Investigation Department (CID). Kwee Xiang (Elvin Ng) and Xiaoyang (Tracy Lee) return from the first season and it is revealed that they are now with the Traffic Police Department. Fugitive Chan Yin Kwun (Pierre Png), a former psychiatrist and pedophile, returns with a vengeance to settle scores with Lum Thiam.
Cast
The characters names are in both Chinese and dialect (if any) romanization.
SSI(2) Albert Tang Yew Jia, Brother Blockhead (木头哥哥) Senior Investigating Officer at Special Investigation Section, CID. Leow Xinyi's fiancé. Reconciled with Leow Xinyi in the end. Promoted in episode 25 to SSI(2).
ASP Leow Xin Yi, Kakak Deputy Head Investigation, Traffic Police Department. Yew Jia's fiancée. Neighbour of the Teo family. Diagnosed with post-traumatic stress disorder. Reconciled with Tang Yew Jia in the end. Promoted in episode 25 to Deputy Superintendent of Police (DSP).
SSGT Teo Kwee Xiang, Filthy Guy (肮脏鬼) Patrol Officer, Traffic Police Department. Han Xiaoyang's ex-boyfriend. Eng Xuan Bee (Jelly)'s current boyfriend. Rocky's caregiver. Broke up with Han Xiaoyang in episode 10. Promoted in episode 25 to Senior Staff Sergeant (SSSGT).
INSP Han Xiao Yang Senior Investigation Officer, then resigned and transferred to Traffic Police Department. Teo Kwee Xiang's ex-girlfriend. Xing An's girlfriend. Broke up with Teo Kwee Xiang in episode 10. Promoted in episode 25 to Assistant Superintendent of Police (ASP).
SI Jimmy Tai, All-rounded Dad (四十八孝爸) Senior Investigation Officer of Team A (SCD). Zhang Ruihua's husband. Arrested and imprisoned for leaking information. (Arrested - episode 25)
Commissioner of PoliceTeoh Guan Yeow Appeared to distribute overseas service medals to Leow Xin Yi and others after they returned from their UN Peace Keeping tour, and appeared again on their promotion.
Wee Lum Thiam and Yang Zhongzheng's superior during NS.
3
Allen Chen
Qiu Xing An (邱星安)
DPP in the Attorney-General's Chambers. He prosecuted Xiaoyang's cousin Han Junxi who was involved in a traffic accident that killed Yin Kwun's parents. Han Xiaoyang's boyfriend.
Main Villain, repented on Episode 25. Best friend of Lum Thiam during NS. Areya's boyfriend. Yang Hongxi's father. Destroyed the evidence pertaining the death of Jeffrey Thomas in episode 1. Badly injured while defending Lum Thiam from gangsters when they spiked his drink in episode 9. Arrested being involved in the syndicate and for murdering Zhuo Kaiwen. (Arrested - episode 25) Teenage version portrayed by 陈志豪.
1-4, 6-10, 13-21, 23-25; 2, 4 (teenage)
杨前春
Pongsatorn (蓬萨通)
Thai national. Previously involved in an armed robbery. Impersonated the police and killed Jeffrey Thomas. Shot by STAR after he took a housewife hostage. (Deceased - episode 1)
1
郭雅长
Bodin (博丁)
Thai national. Previously convicted of manslaughter. Impersonated the police and killed Jeffrey Thomas. Shot by Lum Thiam while fighting with him and Jimmy. (Deceased - episode 1)
Fugitive-at-large Chan Yin Kwun/Chan Yin Kwan Former psychiatrist. Chan Kuo Bang and Wang Meifang's son. Chen Yanli's brother . Died after Lum Thiam shot at him at the playground. (Deceased - episode 6)
Supporting Villain Jen Leow Leow Xinyi's paternal half sister. Neighbour of the Teo family. Involved in a car accident-cum-kidnapping case. Fell from a height and sustained life-threatening injuries in Episode 18 after Yew Jia gave chase to her, succumbed to her injuries and died in Episode 19. (Deceased - episode 19)
2, 6, 9, 11, 14, 16-19
Louis Wu
Han Junxi (韩俊希)
Han Xiaoyang's elder cousin Shen Shengli's friend. Annie's boyfriend. Caused the deaths of Yin Kwun's parents in episode 2. Sentenced to 30 months' imprisonment and barred from driving for 10 years. (Jailed - episode 11)
2, 4-5
Henry Heng
Chan Kuo Bang (陈国邦)
Chan Yin Kwun and Chan Yanli's father Was hit by Han Junxi's car in episode 2. Succumbed to his injuries and died days after Yanjun's visit. (Deceased - episode 4)
2, 4
林倩如
Wang Meifang (王美芳)
Chan Yin Kwun and Chan Yanli's mother Was hit by Han Junxi's car and died on the spot. (Deceased - episode 2)
Jelly, Xuan as in beauty, Mei as in beauty (选美的选，选美的美), Eng Suan Bee Living with Guixiang. Assistant of Lulu's Wonderful Nightclub after being arrested for suspect prostitution at her former workplace. She is also a singer at that nightclub. Retrenched after Lulu was arrested and the KTV Lounge raided. Badly injured in episode 24 after Dehai tampered with Yang Zhongzheng's brakes. Teo Kwee Xiang's current girlfriend.
Candy Long-lost teenage daughter of Yang Zhongzheng whom he had been searching for the last decade. Her mother, Areya, was a Thai local who helped Yang Zhongzheng out of the jungle during a trek. Yang Hongxi was sold off to vice rings and eventually ended up in Singapore as an underage prostitute. She was arrested during a raid and was reunited with her father before returning to Thailand. Rescued by the police in episode 25 after being kidnapped by Dehai.
Spider Ming (蜘蛛明) Kwee Xiang's father. Fishball noodle stall owner. He is nicknamed "Spider Ming" due to his connection and knowledge of many gangs. Kwee Xiang loathes him a lot. Yew Jia is his friend but does not reveal his police identity to him. Surrendered to the police for extortion and intentional injury to Zhuo Kaiwen. (Arrested - episode 22)
4, 6-10, 12-14, 16-25
林俐延
Chunjiao (林春娇)
Eng Xuan Bee's aunt. Spider Ming's cohabitant. Teo Kwee Fa's mother. Neighbour of the Leow family. Fishball noodle stall owner. Involved in Wati's money extortion case. (Arrested - episode 7)
Original name Luo Meiling (罗美玲) Lady boss of Wonderful Nightclub. Lum Thiam's biological mother.
8-9, 11, 13-18, 23-24
Farah Erfina Bte Mohd Azmi
Amina
Leow Xinyi's friend during the peacekeeping tour. Committed suicide after being threatened by terrorists. (Deceased)
9-14
Melody Low
Zhizhi (梁秀芝)
Wonderful Nightclub singer. Alibi for the police impersonation case. Murdered by Tay Jingrong when he impersonated his twin brother and was decapitated. (Deceased - episode 10)
1, 9, 11-12
Gary Tan
Rocky
Member of triad 356. Arrested after he and his gangmates set off to have a showdown with rival triad, Ong Soon Tong. (Arrested - episode 9)
9
Alston Yeo
Teo Kwee Fa (张贵发)
Spider Ming and Chunjiao's son. Teo Kwee Xiang's kid half-brother. Kidnapped by Leow Zhenting in episode 16 after witnessing an accident.
8-9, 16-20, 25
巫奇
Tay Jin Rong (郑锦荣)
Businessman Tay Jin Rong Zheng Jinghua's elder twin brother. Tumbled down the staircase and fell into a coma in episode 10. Came around and admitted to his crimes in episode 12. (Arrested - episode 12)
9-11
Tay Jing Hua (郑锦华)
Guitarist Tay Jing Hua Zhizhi's ex-boyfriend. Tay Jingrong's younger twin brother. Caused the death of Zhizhi. (Arrested - episode 11)
11-12
郭婷玮
Jinrong's wife (锦荣妻)
Zheng Jinrong's wife.
9-10
林祚纬
Zhao Yonglun (赵咏伦)
Zhao Kesen's son. Leow Zhenting, Bernard, and Bell's friend. Involved in a car accident-cum-kidnapping case.
Leow Zhenting, Zhao Yonglun, and Bell's friend. Involved in a car accident-cum-kidnapping case.
14, 17-18
Leron Heng
Bell
Leow Zhenting, Zhao Yonglun, and Bernard's friend. Involved in a car accident-cum-kidnapping case.
14, 17-18
Andi Lim
Dehai (德海)
Main Villain Yang Zhongzheng's personal assistant. Attempted to kill Yang Zhongzheng in episode 25 for betraying the syndicate but is shot by the police instead. (Deceased - episode 25)
Caterpillar (毛毛虫) Member of the drug syndicate. Yang Zhongzheng's accomplice. Teo Kwee Xiang's childhood friend. Arrested during a raid when he brought Kwee Xiang to the drug warehouse. (Arrested - episode 21)
19-21
Tay Yong Meng
Shi Yiyuan (石毅元)
Drug dealer. (Arrested - episode 19)
19
马天凌
Wang Zhongkun (王仲昆)
Drug syndicate. Yang Zhongzheng's accomplice. Revealed Teo Kwee Xiang as a traffic policeman. (Arrested - episode 21)
21
Cameo appearances
Cast
Role
Description
Episodes appeared
Tan Tiow Im
Leow Xianchang (廖显昌)
Liao Xinyi and Jen's grandfather. Ong Xiuling's husband. Neighbour of the Zhang family.
2, 7, 18-
Note: Ended his part, will not appear in C.L.I.F. 4.
Ang Twa Bak
Ong Xiuling (汪秀玲)
Leow Xinyi and Jen's grandmother. Leow Xianchang's wife. Neighbour of the Zhang family.
2, 7, 18- Note: Ended her part, will not appear in C.L.I.F. 4.
施慧玲
Zhang Ruihua (章瑞桦)
Jimmy Tai Tatung's wife. Tunghua's mother.
9, 13, 17, 23-24
Lorraine Koh
Tai Tung Hua (戴东桦)
Jimmy Tai Tatung and Zhang Ruihua's daughter. Diagnosed with autism. Suffers from acute leukemia.
17, 23-24
李健汉
Mr. Leow (廖父)
Liao Xinyi and Jen's father. Detests Tang Yaojia for causing Zhenting's death.
19-20
陶樱
Mrs. Leow (廖母)
Jen's mother. Detests Tang Yaojia for causing Zhenting's death.