Untold enters a world where 170-mile per hour races take place on public motorways in the dead of night. Filmmaker Ben Zand investigates the secretive world of the UK’s new boy racers and rides along as they reach terrifying speeds. He meets those running social media accounts with tens of thousands of followers viewing extreme, dangerous, and even illegal driving and heads to car meets across the UK. He sees first hand how some of this new generation of car enthusiasts revel in a game of cat and mouse with police. New figures reveal the police tactic of seizing vehicles is on the rise but seems to be having little effect on the scene.