Set in the early years of the Western Han dynasty, after Liu Bang's death, Empress Lü (Lü Zhi) holds the reins of power, and turmoil sweeps through the Han court. Liu Bang dies, and Empress Lü keeps his death secret while secretly plotting to consolidate her power. Her niece, Lü Lingshan, is entrusted with an important mission and begins to take part in state affairs.
