Ask for an early Hong Kong police undercover movie, which is about letting a handsome male policeman seduce the woman of the underworld boss.

deliberately violate/break/flout the law

Starring Daniel Wu, Ceng Zhiwei and Guan Xiumei.

Police officer Mike (Daniel Wu) and his partner Zi Cong patrol together. When they met a robber and robbed in the ice room, Mike immediately pulled out and shot the robber, but his boss thought he shot indiscriminately and was suspended. During his suspension, Mike happened to meet the gangster Tian Ge (Ceng Zhiwei) and Tian Ge's wife Pauline (Guan Xiumei) and held a birthday reception in the VIP room of the restaurant. At the birthday party, Brother Tian executed the family law to deal with traitors, and the bloody scene made Mike dumbfounded. Mike began to secretly envy Tian's lifestyle and sexy wife. Later, Mike was summoned by his boss, and the police apparently dismissed him, but actually arranged for him to be undercover. The target of the investigation is Brother Tian, and Mike successfully took up his post with excellent skills and extraordinary courage. Mike, who gradually lost his mind, continued to eradicate dissidents and expand his sphere of influence. To this end, he even killed his colleague Zi Cong, who was also undercover, and developed a love affair with Pauline. And brother Tian already knows the truth of all this. ...