SOE sniper Karl Fairburne is sent to the island after the sinking and tasked with assassinating General Tobias Schmidt along with several other officers who oversaw the attack, filming it to use as propaganda. The ship is quickly sunk by the new weapon – a radio guided anti-ship missile under the development of the Nazis. Upon learning about rumors of a new Nazi weapon, the Royal Navy sends a freighter, the Orchidea, (a captured Italian freighter, with the latest radio intersection technology) to the island of San Celini to investigate. Sniper Elite 4 is set in Italy in 1943, in the immediate aftermath of the events in Sniper Elite III. And having to face the Italian resistance leader who distrusts the Allied forces, and a faceless enemy.
As well as that, Karl must stop the Axis forces from deploying a new weapon that could stop the allied resistance against the Axis Powers, before it even begins. In 1943 Karl Fairburne is sent to Italy, in order to save the country from the grip of Fascism.