The city of San Paulo is the main setting for the 4th film Sudden Impact. It is a city in California that is far away from San Francisco. It is the hometown of Jennifer Spencer as well as her attackers. It is in this town where Jennifer and her sister Elizabeth were gang raped by Mick and his friends. Harry Callahan is sent to the town to get background information on Wilbur to investigate his murder. The town has it's share of nasty people but not everyone is.