A love that spans centuries is ultimately no match for power and temptation. The love between Chu Qingyan and Xiao Yu (Heiming Xiyu, King of Demons) was thought to be a perfect ending, but things often go awry at this critical moment. His union with Xiao Yu led to the tragic death of his parents and many elites he cultivated at the hands of the internal organization's anti-party, and the trigger for all this was Xiao Yu's fiancée (male, Ye Ye). However, after Chu Qingyan was massacred, he signed a soul-selling contract with the man he had once met (Ye Shen Lingyi, the strongest vampire king in history). The moment he was reborn, he would lose his freedom forever... As the gorgeous transformation unfolded, the hidden truth was revealed layer by layer, and he unexpectedly learned that the man he loved now was actually the real mastermind behind the scenes! Faced with a blood feud on one side and a man she deeply loves on the other, how should Chu Qingyan choose? Where should his destination end? …