The Queen of the Sun, Moon and Nebula Returns

She was originally the future master of Yingyue City, but she was harmed by an adulterer and left her hometown, enduring the humiliation and heavy burden. He was a sharp sword that she got by chance, but she didn't know that they fell in love and separated from each other, it was all a trick of fate. He was originally the dashing king of Xingxi City. He frequently walked out of his prison because of his love for mountains and rivers, abandoning the mountains and rivers to wander the world for her alone. Under the promise, is it a long-term plan or a last resort? Is the difficult and dangerous road full of twists and turns or is it straight forward? Who is a burden to whom, and for whom does he fall into hell? When the layers of scars are clearly revealed, is it love? Is it hate? Or endless ties...