A year on from the Capitol Insurrection in Washington DC on 6 January 2021, Gabriel Gatehouse journeys into the dark undergrowth of modern America. He's looking for the origins of the story that drove the crowds to storm the heart of US democracy. From conspiracy-soaked barrooms in 1990s Arkansas, via spies in hotel rooms in the shadow of the Kremlin, to anarchic chatrooms on the early internet, this is a search for the answer to one big question: did this just happen, or is somebody trying to break reality?