Yi Ning, a member of the business elite, found himself transported to an alternate history during the Wu Dynasty where he became a low-status son-in-law named Ning Yi, also known as Liheng. Despite being adept at business, Yi Ning had always dreamed of becoming a martial arts hero and thus, kept his skills under wraps in his second life. However, he soon realized that the world was not as straightforward as he had believed it to be. As Ning Yi, he found himself entangled in several court cases of great importance, and the family he married into, the Su family, became the target of powerful adversaries.