It's a movie called The Critical Strike, starring Chen Jianbin. The plot is that a man took his daughter to the office, was handcuffed to the table by two drunken policemen while eating in a restaurant, and then the secretary of the municipal party Committee and the mayor personally came to pick him up.

1. The police in China are the people's police, including public security police, national security police, judicial police in the court system of the procuratorate, and police in prisons, drug rehabilitation and reeducation-through-labor departments. The people's police perform police duties in accordance with national laws, safeguard national security and social order, and ensure the safety of people's lives and property.

2. According to Article 2 of Chapter 1 of the People's Police Law of the People's Republic of China: "People's police include people's police of public security organs, state security organs, prisons and reeducation-through-labor administrative organs, and judicial police of people's courts and people's procuratorates."

Handcuffs are the most commonly used police tools, and their structures are familiar to everyone. Generally divided into two types: connecting chain and plate handcuffs, and plate handcuffs are more commonly used today. Usage includes conventional usage, such as front cuff, back cuff and pressure cuff. There are also unconventional uses, such as holding down legs and handcuffing hands and feet.