A modern girl travels through time to become the framed Grand Xia princess. Framed and murdered by villains in her past life, she holds future technological props in her hands after her rebirth. Step by step, she exposes the conspiracy of the imperial son-in-law and her best friend, uncovers the truth behind her birth mother's murder, and publicly proves her innocence. Facing internal and foreign troubles, she cleverly uses strange skills to tame fierce beasts and capture territory, leads troops to defeat incoming enemies, roots out the corrupt officials in the court, purifies the court and the common people, guards the peace of the people, rules rivers and mountains with her own courage and ability, and creates a stable and prosperous age.