In 1999, Macao returned to the sovereignty of China. 20 years has passed and Macau made a remarkable development. In 2019, Macau ushers in new opportunities under the “One Belt One Road” and Guangdong-Hong Kong-Macao Greater Bay Area strategic plan. How can Macau position itself while undergoing diversified development? How to rely on its Portuguese background to bridge Portuguese-speaking countries with China? With rapidly developing economics, how can Macau maintain its unique cultural advantages? Looking back at 20 years of Macau's development path from a macro perspective, this documentary outlines Macau’s successful practices to face the challenges.