Ask for the title of a movie ~ ~ ~ Both aliens and earthlings live on the earth.

The story is set in the future world of Los Angeles. At this time, 3, alien laborers have immigrated to the United States and become one with the people of the earth. In order to find out the real murderer, Essex, the partner of the earth criminal police, had to accept Francis, an alien policeman, as his new partner. In the process of tracing the truth, two different kinds of criminal police gradually eliminated their distrust of each other, and overcame the obstacles encountered in investigating cases of different races, and jointly dealt with the main suspect-malicious earth entrepreneur Terrence Stamper. (I can't find the video. Download it yourself. There are only a few discs on Taobao. )