Defending the attack. Unwelcome war ; Closing ranks ; Extreme measures -- Masters of Europe. Breaking out ; Winners and losers -- The shadow of 1812. German Crusade ; The first defeat -- Stalemate. The shared secret ; Scouring Europe ; Writing to the dead -- The war comes home. Bombing and retaliation ; 'Holding out' ; Borrowed time -- Total defeat. Digging in ; Collapse ; Finale -- Crossing the abyss.