It is January 1944. The whole world awaits the Allied invasion of Europe. But in England, Winston Churchill has learned that Nazi scientists have developed Sarin - a horrifying new weapon that could turn the tide for Hitler. Only a desperate gamble can avert disaster. Two men - a pacifist American doctor and a fanatical Jewish assassin - must embark on a murderous mission into the heart of Germany. Their target: a human hell where Jews fuel Hitler's last hope for victory. Their only allies: a young Jewish widow fighting to save her children and a German nurse who is the image of Aryan perfection. Their orders: destroy the threat no matter how many lives are lost, including their own...