Yuen Qion

He Xin (played by Andy Lau) is in his middle age. His casino business is getting bigger and bigger, but suddenly, due to frequent visits by international millionaires, the casino is suffering continuous losses. After some investigation, He Xin believed that there was an insider in the company. Moreover, due to the long-term disagreement in business philosophy, He Xin had an affair with the company's general manager, Nie Aotian (played by Liu Zhaoming)

Gambling king Lei Tian lost in a gambling competition because his opponent, "Gambling Flower" Shangguan Feihua (played by Gong Xuehua), made a thousand moves. Feeling unsatisfied, Lei Tian committed suicide. Lei Tian's good friend in the police force, Uncle Hua, has reasons to punish Shangguan Feihua both publicly and privately. So he asks Xiniu PI (played by Feng Cuifan) to gather the other lucky stars, Luo Han Guo (played by Zeng Zhi)

The drama mainly tells the story of police officer Gao Jiasheng (played by Lam Fung), who returned to the police station after successfully dismantling a gang as a police undercover agent, PTU female Sha Zhan He Huiling (played by Charlene Choi), and the impartial captain Liu Jianhui (played by Fong Chun Sing) as the main characters. Although the three of them had misunderstandings, conflicts and disputes at PTU, they were still