Artificial Intelligence was created by Deon Wilson at Johannesburg and illegally downloaded in damaged android policeman. It can develop, think, feel and even create. But he as the small child, just studies and learns the world. Local gangsters abduct the robot for commission of large theft. They name it Chappi and qualify him in criminal business. Wilson allowed only occasionally visit his creation. Wilson`s envious is a military engineer Vincent Moore, whose development all the time does not receive funding because of Wilson`s androids and now first is trying to destroy a competitor by all means. And when Chappy attracted the attention of the public to be involved in crime, Moore place his hunting armed monster "Moose". Deon and Ninja were hurted and Yolandi died in the battle. But Chappy learned to read minds and Yolandi`s consciousness has been recorded on a flash card. Realizing that Deon will not live a long time with such injury, the robot decided to assume his mind and load it to another android. The attempt ends successfull, but Chappi will die soon. Fusing battery is discharged and can not be replaced. But Deon unable to read Chappi`s minds and pour it into the other, nearby robot. Movie scene ends with the Yolandi funeral and loading his mind in a specially assembled android.