Nan Sangning was originally the eldest daughter of an ancient family. She traveled through time and became the missing true eldest daughter of the Nan family. She was despised by her family after returning home. But with her excellent etiquette, knowledge and diligence, she fought for power and profit in the Nan family and slapped everyone in the face. In the process, she attracted the third son of the He family, He Siyu, and the two gradually fell in love. Sanning used his wisdom and opportunities to gain a foothold in the Nan Group, promoted multiple projects, and finally gained love and career, starting a new journey.