Lin Xiang and Lan Fang, who is pretending to be his wife, are sent to Shanghai to rebuild the underground headquarters and help liberate China from the Japanese invaders.

Sheng Minglan, the intelligent but overlooked sixth daughter of the Sheng family, hides her talents to survive a difficult childhood and avenge her mother’s death. As she navigates family struggles and political intrigue, she forms a complex bond with Gu Tingye. Together, they rise as a powerful couple, balancing love, loyalty, and duty in a changing empire.