The SAS leaves the desert for Europe. They will face the terror of execution, the trauma of civilian casualties, and will be the first to witness the nightmare of the Belsen concentration camp.
David Stirling's second-in-command is now the newly-promoted Captain Paddy Mayne - an officer as unpredictable and dangerous as the new phase of war that is about to begin.
The story of the founding of the SAS starts with David Archibald Stirling, who had a vision for a new kind of war: attacking the enemy where they least expected it - from behind their own lines.