After correcting the chaos, under the selfish desires and corruption of the nobles and powerful ministers, a man and a woman who were bound together by fate should be like butterflies breaking out of their cocoons, and they should be like the stream flowing through the mountains, not afraid of hardships and obstacles, and move forward bravely. No matter how difficult and murderous the road ahead is, they must get rid of and break through the constraints imposed on themselves. Even if they fight the enemy to the death, they must still give peace to the people of the world...