This film is the third installment in the "Dirty Harry" series. Harry (Clint Eastwood) has a new partner-a female police officer named Kate (Tyne Delly) transferred from the Personnel Records Section. The two are ordered to track down a group of terrorists who dare to extort 2 million yuan from the San Francisco City Government. However, Harry, who has always gone his own way, hit the iron plate this time. His new partner Kate disagrees with his tough guy style. The two partners must resolve their differences before they can cooperate to capture lawless terrorists.