A life-and-death love that entangles two lives, one is a king and the other is a minister. In their previous lives, the two of them were responsible for the lives and responsibilities of tens of thousands of people. In later generations, the two passed by each other again and again, not knowing that they came to this world for each other. A battle of interests between the human world and the demon world, a love-hate relationship between life and death. Can they defeat their enemies and become heroes? Can they break the world's concepts and finally get married? This is not only a war between man and demon, but also a battle between love and reality. Can they finally get together?