Southern Sangning, an ancient legitimate noble daughter, transmigrates into modern times and becomes the long‑swapped biological daughter of the Nan family. Faced with biased parents, a fake rich‑girl younger sister and greedy relatives, she relies on her antique appraisal skills, pipa mastery and outstanding wisdom to navigate the wealthy family infighting step by step and wins the heart of the domineering tycoon He Siyu. When He Siyu proposes to her with deep love, she, focused on seizing real power of the Nan family, breaks up with him firmly. Between career and love, she embarks on a life of her own.