| Native Name: | 識法代言人 |
| Genre: | Modern Drama |
| Runtime: | 45 minutes (approx.) |
| Producer: | Lau Kar Ho |
| Starring: | Liza Wang Myolie Wu Sammul Chan Marco Ngai Wayne Lai Ha Yu |
| Country: | Hong Kong |
| Language: | Cantonese |
| Network: | TVB |
| Num Episodes: | 21 |
When Rules Turn Loose (Traditional Chinese: 識法代言人) is a TVB modern drama series broadcast in December 2005.
Though the series backdrop revolves around the court; however, the main theme of the series deals with family bond. It depicts an insight of meaningful values of everyday family life.
| Cast | Role | Description | |
|---|---|---|---|
| Ha Yu | Shum Yat-On 沈逸安 | Chinese Writer Suen Man-Yee's husband. Shum Yat-Sum and Shum Yat-Yin's father. | |
| Liza Wang | Suen Man-Yee 孫敏儀 | Lawyer Shum Yat-On's wife. Shum Yat-Sum and Shum Yat-Yin's mother. Yuen Sai-Hei's god-mother. | |
| Patricia Liu | Shum Yat-Sum (Natalie) 沈一心 | Lawyer Suen Man-Yee and Shum Yat-On's daughter. Hung Ji-Dat's ex-wife. Shum Yat-Yin's older sister. Yuen Sai-Hei's lover. | |
| Wayne Lai | Hung Ji-Dat (Raymond) 熊志達 | Lawyer Shum Yat-Shum's ex-husband. | |
| Marco Ngai | Yuen Sai-Hei (Keith) 阮世晞 | Lawyer Suen Man-Yee's god-son. Shum Yat-Sum's lover. | |
| Myolie Wu | Shum Yat-Yin 沈一言 | Law Student Suen Man-Yee and Shum Yat-On's daughter. Shum Yat-Sum's younger sister. Ching Hok-Kan's girlfriend. | |
| Sammul Chan | Ching Hok-Kan (Dick) 程學勤 | Lawyer Shum Yat-Yin's boyfriend. | |
| Shum Ji-Wah (Peter) 沈志華 | Shum Yat-On's younger brother. | ||
| Cheung Lai-Kei 張麗琪 | Shum Yat-Yin's friend. | ||
| Ada | Psychologist Ching Hok-Kan's friend. | ||
| Akina Hong (康華) | Yuen Ka-Wai 袁嘉蕙 | Hung Ji-Dat's friend. | |
| Betty |
| Week | Episode | Average Points | Peaking Points | References | ||
|---|---|---|---|---|---|---|
| December 7–9, 2005 | 1 — 3 | [1] | ||||
| December 12–16, 2005 | 4 — 8 | [2] | ||||
| December 19–23, 2005 | 9 — 13 | [3] | ||||
| December 26–30, 2005 | 14 — 18 | [4] | ||||
| January 2–4, 2006 | 19 — 21 | [5] |