# Twilight Investigation

Twilight Investigation (Chinese: 囧探查過界) is a 2010 TVB modern drama series.

## Synopsis

Former police officer Yip Kwok Cheung (Bill Chan) has set up a private detective agency. Members of the team have their own strengths. Gei On Gui (Wong Hei) (known best as Encore) is the most important member who specializes in careful thought and sharp deconstruction of dialysis. The team has solved many cases of crime.
Because of investigating an adultery case, Encore is acquainted with the pseudo model, Chung Yee Tak (Linda Chung) (also known as Dak Chai). Yee Tak was born in an incomplete family, and is withdrawn. This makes her frustrated in both love and work. After breaking up with her boyfriend, she becomes drunk and is a victim of a car accident she causes, and dies. Unknown to herself that she is dead, she tries to find her separated mother so she finds Encore to help her. Encore sympathizes with Yee Tak and tries his best to find Yee Tak's mother, but during the investigation, he discovers a secret about Yee Tak's mother that even Yee tak doesn't know......

## Cast
### Wui Chun Investigation Company

| Cast | Role | Description |
| Shek Sau | Yip Kwok-cheung 葉國昌 | A retired police officer Boss of Wui Chun Investigation Company Gei On-gui, Chow Ka-sing, Wong Siu-fu, Lo Lai-na, Chiu Ying-tat, Nie Bing and Liu Pik-chu's supervisor Gei Ho-yan's ex-boyfriend, later husband |
| Wong Hei | Gei On-gui (1975–2009) 紀安居 | Encore Senior investigator Gei Ho-yee's son Gei Ho-yan's nephew Gei On-lok's brother Chung Yee-tak's friend Yip Kwok-cheung's subordinate Chow Ka-sing, Wong Siu-fu, Lo Lai-na, Chiu Ying-tat and Nie Bing and Liu Pik-chu's colleague Cheuk Yan's ex-boyfriend Died while trying to save his family and friends, became a ghost, and reincarnated in Chapter 20 |
| Raymond Wong Ho-yin | Chow Ka-sing 周家昇 | Ah Sing Investigator Yip Kwok-cheung's subordinate Gei On-gui, Wong Siu-fu, Lo Lai-na, Chiu Ying-tat and Nie Bing and Liu Pik-chu's colleague Lee Ka-man's ex-husband, later husband Billy's adopted father |
| Johnson Lee | Wong Siu-fu 王小虎 | Investigator Yip kwok-cheung's subordinate Gei On-gui, Chow Ka-sing, Lo Lai-na, Chiu Ying-tat and Nie Bing and Liu Pik-chu's colleague Wong Chun-fung's brother Nie Bing's boyfriend, later husband |
| Kingdom Yuen | Lo Lai-na 羅麗娜 | Laura Investigator and secretary Yip Kwok-cheung's subordinate Gei On-gui, Chow Ka-sing, Wong Siu-fu, Chiu Ying-tat, Nie Bing and Liu Pik-chu's colleague Loves Yip Kwok-cheung |
| Jonathan Cheung | Chiu Ying-tat 趙應達 | Investigator Yip Kwok-cheung's subordinate Gei On-gui, Chow Ka-sing, Wong Siu-fu, Lo Lai-na, Nie Bing and Liu Pik-chu's colleague |
| Océane Zhu | Nie Bing 聶冰 | Bing Bing Investigator Yip Kwok-cheung's subordinate Gei On-gui, Chow Ka-sing, Wong Siu-fu, Lo Lai-na, Chiu Ying-tat and Liu Pik-chu's colleague Wong Siu-fu's girlfriend, later wife |
| Nadia Lun | Liu Pik-chu 廖碧珠 | Jade Secretary Yip Kwok Cheung and Lo Lai-na's subordinate |

### Police

| Cast | Role | Description |
| Queenie Chu | Lee Ka-man 李嘉敏 | Mandy A CID inspector Chow Ka-sing's ex-wife, but they later reconcile Billy's mother Cheng Yuen-ching's girlfriend, but they later break up Yip Kwok-cheung's ex-subordinate Wong Chu-ming, Wong Lik-kan, Choi Pak-kuen, Mok Man Tsz's supervisor |
| Raymond Tsang | Wong Chu-ming 王柱銘 | CID police officers Lee Ka-man's subordinates |
| Yeung Ching-wah | Wong Lik-kan 黃力勤 | CID police officers Lee Ka-man's subordinates |
| Chan Kin-man | Choi Pak-kuen 蔡柏權 | CID police officers Lee Ka-man's subordinates |
| Fanny Ip | Mok Man-Tsz 莫敏芝 | CID police officers Lee Ka-man's subordinates |
| Lau Dan | So Kam-lam 蘇鑑林 | A police officer Ho Ying-biu's teacher Gei On-gui's friend |
| Power Chan | Ho Ying-biu (1969–2004) 何英標 | Gao Ma Chut (977) An ex-police officer Chung Yee-tak's friend So Kam-lam's apprentice Yip Kwok-cheung's ex-colleague Committed suicide and became a ghost Only Gei On-gui, and later Chow Ka-sing, Wong Siu-fu, and So Kam-lam could see his ghost Reincarnated in Chapter 20 Encore's future reincarnated older brother |

### Gei's family

| Cast | Role | Description |
| Chow Chung | Gei Ho-yee 紀可以 | Gods material shop owner Gei Ho-yan's brother Gei On-gui and Gei On-lok's father |
| Rebecca Chan | Gei Ho-yan 紀可人 | A restaurant cashier, later Yip Kwok-cheung's assistant Gei Ho-yee's sister Gei On-gui and Gei On-lok's aunt Leung Man-yiu's ex-mistress Yip Kwok-cheung's ex-girlfriend, later wife |
| Wong He | Gei On-gui 紀安居 | Encore Gei Ho-yee's son Gei Ho-yan's nephew Gei On-lok's brother Died while saving his family and friends, became a ghost, and reincarnated in Chapter 20 |
| Lee Yee-man | Gei On-lok 紀安樂 | Leng Mui Gei Ho-yee's daughter Gei Ho-yan's niece Gei On-gui's sister |

### Chung's family

| Cast | Role | Description |
| Teresa Ha | Chan Siu-yuk 陳小玉 | Chung Wai-ming's mother Chung Yee-tak's grandmother Leung Wai-kuen's mother-in-law Deceased (Died a day before Chung Yee Tak in her sleep) |
| Kwong Chor-fai | Chung Wai-ming 鍾偉明 | Chan Siu-yuk's son Leung Wai-kuen's husband Chung Yee-tak's father Deceased (Suicide because he thought his wife was unfaithful to him) |
| Mary Hon | Leung Wai-kuen 梁惠娟 | Chung Wai-ming's wife Chan Siu-yuk daughter-in-law Chung Yee-tak's mother Missing after a fire accident Fled to Taiwan and became Cheng Nam's wife |
| Linda Chung | Chung Yee-tak (1984–2009) 鍾意得 | A pseudo-model Gei On-gui's friend Ho Ying-biu's friend Andy Choi's ex-girlfriend Died while she was drunk driving and became a ghost in Chapter 1 Only Gei On-gui, and later Chow Ka-sing, Wong Siu-fu and So Kam-lam could see her ghost Reincarnated in Chapter 20 |

### Cases
#### A Jewellery Businessman's Affair (Chapter 1)

| Cast | Role | Description |
| Kwok Tak-shun | Ma Ching-hang 馬澄亨 | Boss of Ma's Jewellery Shirley Lee's lover |
| Yvonne Ho | Shirley Lee Sha-lee 李莎莉 | A model Chung Yee-tak's colleague Ma Ching-hang's mistress |

#### Rich businessman love murders (Chapter 2 - 6)

| Cast | Role | Description |
| Mat Yeung | Wong Chun-fung 王俊峰 | Sean A fitness trainer Ho Lai-ching's boyfriend Wong Mei-kei's lover Wong Siu-fu's brother Killed by Ho Lai-shun because he thought Sean was stealing his money and his wife in Chapter 4 |
| Joseph Lee | Ho Lai-shun 何禮信 | Ho Lai-ching's father Wong Mei-kei's wife Killed Wong Chun-fung and Wong Mei-kei in Chapter 4 (Villain) |
| Karen Lee | Wong Mei-kei 王美琪 | Ho Lai-shun's second wife Ho Lai-ching's stepmother Wong Chun-fung's mistress Killed by Ho Lai-shun because he was angry she didn't want to be with him and also stealing his money in Chapter 4 (Villain) |
| Kaki Leung | Ho Lai-ching 何麗晴 | A university student Ho Lai-shun's daughter Wong Mei-kei's stepdaughter Wong Chun-fung's girlfriend |

#### Mystery of Yau Sam-mei's Identity (Chapter 7 - 9)

| Cast | Role | Description |
| Macy Chan | Cheuk Yan 卓恩 | A lesbian Gei On-gui's ex-girlfriend Yau Sam-mei's girlfriend Cheung Lai-fong's god-daughter Threatened by Yau Sam-kit to act possessed by Yau Sum-mei's ghost so that she could inherit Cheung Lai-fong's company and passed it on to him later |
| Suet Nei | Cheung Lai-fong 張麗芳 | Yau Sam-mei and Yau Sam-kit's mother Very supersticious that she believes her daughter will bring her luck while her son will bring her misfortune |
| Heidi Chu | Yau Sam-mei 尤心美 | Deceased A lesbian Cheung Lai-fong's daughter Cheuk Yan's girlfriend Yau Sam-kit's elder sister Killed by Yau Sam-kit because their mother was not going to let him be in charge of the family company in Chapter 7 |
| Lai Lok-yi | Yau Sam-kit 尤心傑 | Cheung Lai-fong's son Yau Sam-kit's younger brother Threatened Cheuk Yan to act possessed by Yau Sam-mei's ghost in order to get Cheung Lai-fong's inheritance (Villain) |

#### Mystery of the Studio Ghost (Chapter 10 - 12)

| Cast | Role | Description |
| Savio Tsang | Pui Keong 裴強 | An actor Male protagonist of a film, "Fa Ying Hung Chuen" Fok Mei Ching's husband Tsui Ying's lover Killed by Cheung Chun-fai in Chapter 11 |
| Sarah Song | Tsui Ying 徐盈 | An actress First female protagonist of a film, "Fa Ying Hung Chuen" Pui Keong's mistress Wai Ling's enemy |
| Ng Wai-shan | Wai Ling 韋玲 | An actress Second female protagonist of a film, "Fa Ying Hung Chuen" Tsui Ying's enemy |
| Rachel Kan | Fok Mei Ching 霍美靜 | Pui Keong's wife Killed by Cheung Chun-fai in Chapter 11 |
| Lee Ka-ting | Big Brother Yin 大哥然 | A lighting artist |
| Lam King-kong | Tse Po Chuen 謝保全 | Mentally disabled Tsui Ying's fan Hated Pui Keong |
| Sam Chan | Cheung Chun-fai 張俊輝 | Peter Tsui Ying's ex-classmate and assistant Loved Tsui Ying Killed Pui Keong and Fok Mei Ching (Villain) |

#### Lee Kwok-pang Murder (Chapter 12 - 16)

| Cast | Role | Description |
| Daniel Kwok | Lee Kwok-pang 李國鵬 | Koo Wing-si's ex-husband Killed by Koo Wing-si in self-defense in Chapter 12 (Villain) |
| Lau Dan | So Kam-lam 蘇鑑林 | A police officer Koo Shuen's husband Koo Wing-si's father Ko Tsz-chung's grandfather Helped Koo Wing-si to dispose Lee Kwok-pang's body and plead guilty Arrested and sent to jail in Chapter 14 |
| Ha Wai-ching | Koo Shuen 顧璇 | So Kam-lam's wife Koo Wing-si's mother Koo Tsz-chung grandmother Deceased |
| Janice Shum | Koo Wing-si 顧詠詩 | A shop assistant, formerly a dancer So Kam-lam and Koo Shuen's daughter Lee Kwok-pang's ex-wife Killed Lee Kwok-pang in Chapter 12 Confessed guilt to police in Chapter 16 (Villain) |
| Lo Tin-hang | Koo Tsz-chung 顧子聰 | So Kam-lam and Koo Shuen's grandson Koo Wing-si's son Had autism |
| Chan Min-leung | Drug Addict Wah 道友華 | A drug addict Bribed by So Kam-lam to testify So Kam-lam was the murderer |

#### Hotel Arson and Brick Attack Cases (Chapter 2 - 4, 17 - 20)

| Cast | Role | Description |
| Mary Hon | Leung Wai-kuen / Chan Tsz-mei 梁惠娟 / 陳梓媚 | Chung Yee-tuk's mother Fled to Taiwan, changed her name to Chan Tsz-mei, and became Cheng Nam's wife after the arson |
| Ram Chiang | Mok Chun-chung 莫鎮忠 | A former gangster Ma Chi-chiu's friend Imputed by Law Hoi and Cheng Nam to be the arsonist and sentenced to life Released from jail because of having a good record Claimed to be possessed by the ghost of Ma Chi-chiu Attacked Shek Chi-kin and Lee Ka-man with bricks Determined to kill Law Hoi and Cheng Nam Killed by a falling wasted car and became a vengeful ghost Eliminated by Ho Ying-biu in Chapter 20 (Main villain) |
| Luk Chun-kwong | Ma Chi-chiu 馬志超 | Mok Chun-chung's friend Died in the arson |
| | Shek Chi-kin 石志健 | Yau Tsim Mong District member Testified against Mok Chun-chong in the arson trial Killed by Mok Chun-chong in Chapter 17 |
| Queenie Chu | Lee Ka-man 李嘉敏 | CID Inspector Testified against Mok Chun-chong in the arson trial Injured by Mok Chun-chong in Chapter 17 |
| Koo Ming-wah | Law Hoi 羅海 | Cheng Nam's friend Testified against Mok Chun-chong in the arson trial even though he knew Cheng Nam started the fire Almost killed by Mok Chun-chong in Chapter 18 |
| Au Sui-wai | Cheng Nam / Tse Ho-tung 鄭南 / 謝浩東 | Law Hoi's friend Started the hotel fire while trying to save Leung Wai-kuen Fled to Taiwan, changed his name to Tse Ho-tung after the arson and became Leung Wai-kuen's husband Deceased |

### Others

| Cast | Role | Description |
| Bond Chan | Choi Andy 蔡安迪 | Andy Chung Yee-tak ex-boyfriend Cheated on Chung Yee-tak |
| Tai Chi-wai | Leung Man-yiu 梁文耀 | Gei Ho-yan's married ex-lover |
| Ben Wong | Cheng Yuen-ching 鄭元政 | Joe A French cuisine cook Lee Ka-man's ex-boyfriend Billy's father Yuen Sin's ex-boyfriend Chung Yee-tak's father after reincarnation Framed Chow Ka-sing and Lee Ka-man (Main villain) |
| Agassi Cheng | Billy | Cheng Yuen-ching and Lee Ka-man's son Chow Ka-sing's adopted son |
| Lam Shuk-man | Yuen Sin 阮倩 | Cheng Yuen-ching's ex-girlfriend Chung Yee-tak's mother after reincarnation |

## Awards and nominations
### 2011 TVB Anniversary Awards

* Nominated: Best Drama

### My Astor On Demand Favourites Awards 2011

* Won: My Favourite Supporting Actor (Raymond Wong)

## Viewership ratings

| | Week | Episodes | Average Points | Peaking Points |
| 1 | November 29 - December 3, 2010 | 1 — 5 | 28 | — |
| 2 | December 6–9, 2010 | 6 — 9 | 29 | — |
| 3 | December 13–17, 2010 | 10 — 14 | 30 | — |
| 4 | December 20–24, 2010 | 15 — 20 | 30 | 32 |