Sudden Impact is a 1983 American action thriller and the fourth film in the Dirty Harry series, directed by Clint Eastwood (making it the only Dirty Harry film to be directed by Eastwood himself), and starring Eastwood and Sondra Locke. The film tells the story of a gang rape victim (Locke) who decides to seek revenge on the rapists ten years after the attack by killing them one by one. A police detective (Eastwood) famous for his unconventional and often brutal crime-fighting tactics is tasked with tracking down the serial killer. As the detective investigates the killings, he becomes romantically entangled with the woman, and he is drawn deeper into the mystery surrounding the murders.