China's Spring and Autumn Period (770-476 BC) was a troubled age marked by political turmoil and profound socioeconomic changes. It was a time when ambitious vassal states cared little about imperial orders and sought to gain power by any possible means. In this hour of need, some statesmen rose to the occasion and sought to restore some sense of order and stability. Guan Zhong was among them. His policy experiments made him one of the most creative policymakers of the time. Join CGTN's Dean Yang to learn the story of a man who went from zero to hero.