Geng tin daai chaak wong (1998)

This film takes Zhang Ziqiang's shocking case as the background, and truly reflects the process of Zhang Ziqiang's crime. Zhang Jiahao (Ren Dahua is acted the role of) is a fierce bandit with great wisdom, he has planned a number of gold shop robberies and rich kidnapping cases one after another, although the police know full well that he did it, but there is no evidence. Many rich people were kidnapped by Zhang, but they were all taboo and chose to pay a huge ransom. For a time, even the police could do nothing about it. Finally, Zhang's partner, Ye Shiguan, was arrested by accident. Fierce and cunning Zhang unexpectedly wants to kidnap Administrative Secretary Zhong Fang at ease in exchange for hostages.