Qin Ming, an unparalleled Sword Emperor who has lived in seclusion, unexpectedly formed a marriage bond with Chu Qinghuang, the Empress of Great Qian, four years ago. Four years later, as the Witch God Cult wreaks havoc across the land, Chu Qinghuang finds herself trapped in a desperate situation. Her younger sister travels thousands of miles with Qin Ming's biological daughter, Nian Nian, to seek his help. Qin Ming reveals his astonishing power, protects his daughter and rescues his wife, bringing the war to an end. In the end, he reunites with his wife and daughter, protecting the people of Great Qian.