A modern woman, Zhang Zhiyi, is transported to the Republican era by an heirloom jade pendant. She knows the family’s dark future: her great-grandfather, young marshal Zhang Shaoyan, will be murdered by his trusted friend Governor Cao and his aide Deputy Xue, and her grandfather will be crippled. Determined to change fate, she warns Zhang Shaoyan. At a deadly banquet, her foreknowledge helps him escape an ambush. She exposes Deputy Xue as a traitor and uses intimate details—a birthmark, childhood drawings—to convince Zhang Shaoyan and his wife she is from the future. They capture Xue, extract his confession, and set a trap for Governor Cao. However, treacherous relatives help Cao and Xue escape, only to be killed by the paranoid Governor. Zhang Zhiyi is wounded protecting Zhang Shaoyan during an assassination attempt. They unmask a mole driver and crush Cao’s forces. Zhang Shaoyan renounces his military career and becomes a merchant. After a final accident, Zhiyi returns to the present, finding history rewrit