Princess Jiang Ruohan of Shaoyang, a dual-champion scholar-warrior in the Great Xia dynasty, was exiled to battle the Xiongnu due to the paranoid emperor's suspicions. After a grueling year-long war, she returned victorious only to find her family executed on false charges and herself condemned to death. Reborn into modern heiress Jiang Ruohan's body, she discovers her husband is the reincarnation of her late husband Xia Zeyuan, her parents are now in-laws, and her enemy the emperor has been reborn as business rival Shangguan Lie. Vowing to protect the Xia family this time, she uses her ancient wisdom to navigate modern life, win back her husband's love, and restore the family's fortunes, finally achieving her dream of safeguarding her loved ones.