The series tells the story of Ning Yi, the son-in-law of the Su family's cloth merchant family, who helps his wife Su Tan'er to build a career, plays around in the business world of the Wu Dynasty, and becomes the richest man in Jiangning. Ning Yi faces family affairs, national affairs, and world affairs bravely, and grows from a small son-in-law that no one cares about to a great man who truly serves the world and the people, adapts to the times, and also changes the times.