It may seem like trains have always existed, but in reality, they are an invention of the last 150 years. With them, society entered a completely new era: the industrial revolution changed everything. The six episodes of the series tell the story of the most important trains in the history of humanity and their impact on progress. Get ready for an exciting race of facts: from the first railway trains of the mid-19th century to the most modern trains of mainland China, from heavy locomotives of the Old World to light and super-fast ones that connect countries and cities even underground. Prepare to be amazed by the trains that changed the world.