What starts with a mysterious gun in an airport bathroom and a fake refugee identity opens the door to a nationwide network of far-right extremists inside Germany’s military and police. It’s a story about a changing national identity — and the backlash against it — raising a question that democracies across the world are waking up to: What happens when the threat is coming from within?

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The mysterious story of a German soldier, a faked Syrian identity and a loaded gun in an airport bathroom cracks the door open to a network of far-right extremists inside the German military and the police. They are preparing for the day democracy collapses — a day they call Day X. But just how dangerous are they?

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Franco A. visited the workplaces of two of his alleged targets. We meet both targets to hear the stories of two Germanies: One a beacon of liberal democracy that has worked to overcome its Nazi past, the other a place where that past is attracting new recruits.

Today, we explore how Germany's history is informing the fight for the country’s future.

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