A documentary about this 15th-century polymath, exploring one of history's most curious and innovative minds though his paintings, drawings and writing. The first part takes a look at Leonardo's journey to becoming an artist and craftsman, while the bustling streets of Florence provide a rich backdrop. Viewers are also taken to Milan, where Leonardo embarked on a monumental project - painting the iconic fresco of the Last Supper. The second part looks at how Leonardo worked as a military engineer, designed fanciful flying machines, studied light and shadow, investigated gravity and more. Plus, examining the polymath's time in Florence, Milan, Rome and France, as he poured the sum of his scientific and artistic knowledge into a portrait that would become the most famous painting on earth.