Sudden Impact is a 1983 American action thriller film and the fourth and penultimate film in the Dirty Harry series, directed by Clint Eastwood, 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. Inspector Callahan (Eastwood), famous for his unconventional and often brutal crime-fighting tactics, is tasked with tracking down the serial killer. As Callahan investigates the killings, he becomes romantically entangled with the woman, not knowing that she is responsible for the murders.