If there is a power in the world that can save lives and make up for defects, then this power must be coveted by the world, and those who possess this power must not live a stable life.
One day, such a person appears in the world. He is not the unique Crown Prince of the Huo Kingdom, but there is a widow from the underworld beside him. She controls the "power of existence" to wander with him. They each shoulder their inner mission and complete one inner killing after another.
One day, his mission was completed and he returned to his palace and got his wish. But where should she go after she had difficulty stepping out of the palace...