Su Qingyuan is a modern cultural relic restorer. While working on a Song Dynasty bronze mirror etched with mysterious patterns, she is unexpectedly swept away by a burst of dazzling light from its surface. When she wakes, she discovers she has transmigrated to the fictional Great Jing Dynasty and become the illegitimate daughter of the Su family, whose head is a vice minister of revenue. The original owner fell into the water and has been unconscious ever since. Timid and weak, she was constantly bullied by her stepmother and legitimate elder sister, and had a difficult life. Armed with modern knowledge and her expertise in restoring cultural relics, Su Qingyuan resolves not to repeat the original owner's mistakes. She carefully navigates the dangers of the family compound, protecting herself and her birth mother, who is in an equally precarious position. At the same time, she puts her professional skills to use, starting with the restoration of an unremarkable old object and gradually making a name for herself in this era. She restores more than cultural relics: she mends a shattered fate. Amid the shifting currents of court politics and complicated relationships, her intelligence and resilience help her escape one predicament after another, earning her respect and friendship along the way. She also unexpectedly becomes entangled in a secret that could determine the rise or fall of the dynasty...