After the legendary founder of Taiwan Semiconductor Manufacturing Company (TSMC) retired, the new chairman had to grapple with fresh challenges related to its China market. A recently opened factory in China had to find ways to reverse its financial loss and meet its full capacity; one of its major Chinese customers was facing sanctions by the U.S. government; China was investing billions of dollars in building its own powerhouse to compete in semiconductor production. The transition from 4G to 5G technology in the telecommunication industry, and the U.S.-China trade war also added to the uncertainties facing TSMC. What had changed in the competitive landscape for TSMC, and how should it respond to the changes? What were the options for the company in doing business with China, when the country had become both a customer and a competitor?