Ask for an American science fiction movie, in which some aliens live on the earth. People call them prawns. Finally, a person was infected with the virus, which led to the mutation of the police.

Introduction:

1990, a huge spaceship appeared above the earth, and people were frightened but curious. After a period of intense waiting, the alien spacecraft never moved. Humans finally approached it carefully and forced their way into the cabin. As a result, countless aliens were discovered. They described it as ugly, like a shrimp, in poor health and weak. It turns out that this is a group of refugees from another planet. They were finally accepted by the people of the earth and lived in an isolated area called "District 9". After 20 years of reproduction, the number of alien refugees has expanded to 6.5438+0.8 million, and conflicts with the surrounding human beings have continued. More and more people are calling for "prawns" to be driven out of the earth.

After consultation, MNU (League of Nations) decided to move these foreign refugees to more remote areas. Sharlto copley, a special agent of MNU Foreign Affairs Department, is responsible for the relocation. Wikus was arrogant and overbearing in the process of mobilization, and frequently clashed with local residents. In the end, he paid the price for his behavior. The mysterious liquid of aliens infected him, and Wikus slowly became an alien. ...