Thousand Years of Promise

Heaven enters the earth, from ancient times to the present. From the Ming Dynasty to modern times, it spans not only six hundred years, but also a thousand-year appointment about love, secrets and destiny. An ancient token, an agreement that cannot be fulfilled, and a promise that has been waiting for a thousand years draw him back into the whirlpool of fate. Why on earth can he survive to this day? What was hidden in that "natural disaster" in the Ming Dynasty? And who has anything to do with the agreement that he worked so hard to protect? "The Thousand Years Promise" - When a person lives for more than a thousand years, what is it that he really can't let go of?