Over the centuries art has influenced societies and altered viewpoints. In this episode Tony takes a fascinating spin through time and space to determine art's impact on history. He journeys back to the 1930s, to unravel the mystery of a phantom graffiti artist covering an Australian city with an enigmatic single word. In New Zealand, Tony sees how a famous movie director's vision dramatically transformed his hometown. In the 1970s Tony examines a controversial decision, which turned Australia's capital into a destination for more than just politics. And in 19th century Melbourne Tony unveils a scandalous painting that challenged society's prudish Victorian era values. From a female war artist on the frontline who dared to challenge the status quo, to the graffiti that saved a city's once dark and notorious laneways, the force of art reflects and shapes our world in surprising ways.