'She wants to play lumberjack, she's going to have to learn to handle her end of the log.' The way SFPD cop Harry Callahan sees it, there are already two strikes against a new partner who's a rookie and female. But Harry will see things differently as he and officer Kate Moore take on homegrown terrorists in The Enforcer. Harry straps on his shoulder holster again for Sudden Impact, stalking a crime victim whose murderous spree of revenge puts his own ideas of justice to the test.