With exclusive access to the inner workings of Nato filmed through 2025, this documentary offers a fly-on-the-wall view into the rooms, the command centres and the trenches where Europe's fate is being decided, as the West faces its greatest military test since the Cold War. Footage provides a unique view of preparations for possible war and reveals just how far the alliance is willing to go to deter Putin by defending every inch of territory.

The West is presently facing its greatest military test since the Cold War. The battle to stop the ambitions of Russia's President Putin has already begun and the West is preparing for war. With exclusive access to the inner workings of NATO through 2025, this documentary explores the rooms, command centres and the trenches where Europe's fate is being decided.