Modern couple Lin Wanqing and Lu Yuan are on the verge of divorce. While taking their daughter to finalize the divorce, they get into a car accident and all three travel together to the Great Jing dynasty. Wanqing becomes a deposed empress falsely accused and facing mortal danger, while her husband is an emperor suffering from drug-induced amnesia and their daughter is a princess of Great Jing. Consort Jiang conspires with the Empress Dowager to frame her. Using her knowledge of pharmacology and her strategic intelligence, Wanqing gathers evidence and exposes their plot. When the emperor regains his memories, he is filled with remorse. After the turmoil subsides, their daughter's star pendant triggers a return through time, bringing all three back to the modern world.