What is the movie about Jackie Chan and the mute fighting?

It is the sequel to the movie Police Story.

It is an action film directed by Jackie Chan and starring Jackie Chan, Maggie Cheung and Wu Ma. It was released in Hong Kong, China on August 20, 1988. The film tells the story of policeman Chen Jiaju who resigned angrily after a quarrel with his boss. The story of encountering a bomb threat case during travel and a battle of wits and courage with a bomber during the investigation.

Police Story Sequel Synopsis

Chen Jiaju made great achievements by apprehending the big drug lord Zhu Tao, but he was criticized by the director. To make matters worse, Zhu Tao was in trouble. He was released on bail on the pretext of being terminally ill. He constantly instigated his subordinates to retaliate against Chen and intimidated and harassed his girlfriend. One day, Chen and his girlfriend went out for dinner, and was ridiculed by Zhu's subordinates. He got angry and got into a fight, and was criticized by his boss.

In anger, Chen resigned and took his girlfriend on a trip. At this time, a phone bomb extortion case suddenly occurred in a real estate company. After Chen received the call from the police station, he was so excited that he left his girlfriend behind. Started investigating the case and found the gangster's lair based on the phone lines.

The door of the Crime Unit was blown up, and the top police officials were furious. Chen suddenly barged in and demanded a ransom. It turned out that his girlfriend had been kidnapped, and he himself was forced to wear a suit equipped with a remote-controlled bomb. When Chen arrived at the gangster's den with the ransom, the situation became critical. When the gangster was about to kill his girlfriend, Chen jumped out of the building window, landed on a truck, and rushed into the gangster's den to kill all the gangsters.