Referred to as Hong Kong's answer to "Misery", innocent-looking Bo-Bo Fung is an overprotective mother/nurse who is bent on revenge at all costs after the death of her son at the hands of policeman Lau Ching-Wan. Veronica Yip stars as a gambling addict who enlists Lau to protect her from loan sharks, and eventually returns the favor in order for him to survive Nurse Lam's relentless assault.
| Actor | Role |
|---|---|
 Lau Ching-WanSupt Cheung Hung | Supt Cheung Hung |
 Petrina Fung Bo-BoNot listed | Not listed |
 Veronica Yip Yuk-hingNot listed | Not listed |
 Annabelle Lau Hiu-TungNot listed | Not listed |
 Carol TamNot listed | Not listed |
 Tong Man-lungNot listed | Not listed |
| MMa Suk-JanNot listed | Not listed |
 Wong Man-ShingNot listed | Not listed |
| LLin Tang-ChiNot listed | Not listed |
 Joe Cheung Tung-ChoNot listed | Not listed |
 Jameson Lam Wa-FanNot listed | Not listed |