In Medal of Honor European Assault you play US Army Lieutenant William Holt, hand-picked by William "Wild Bill" Donovan to be the first field agent of the newly formed Office of Strategic Services—the OSS. As Lieutenant Holt, your classified missions take place in WWII Europe and are of critical importance to the Allies. You will be tasked with gathering intelligence regarding the development and deployment of the deadly Nazi Tiger Tank and more significantly, stopping the Nazi plan to develop and harness atomic energy. In the pursuit of this goal you are thrust into action in all the pivotal battles of WWII Europe, including St. Nazaire, North Africa, Stalingrad, and the Battle of the Bulge.