S1, E2: Six years ago, President Xi Jinping became leader of China and head of an economy that is crucial to the rest of the world. The second film in this series explores how Xi has made China a more assertive presence on the world stage. For decades, Beijing followed a policy of 'hide your strength and bide your time', but since Xi's accession that has changed, creating alarm in the West over China's growing influence. As Xi faces his greatest test yet - a confrontation in Hong Kong - how will the newly resurgent China react?