Investigator William Luk (Louis Koo) infiltrates a prison as an inmate in the fourth entry in director David Lam's Hong Kong-Chinese action thriller series.
- David Lam('Z Storm', 'L Storm', 'Lim jing dai yat gik')
Action, Crime, Thriller, World Cinema
Rating: R13 Violence & cruelty
Cantonese and Mandarin with English subtitles
Hong Kong, China
South China Morning Post
The New Paper (Singapore)