In this world filled with mystery and danger, Xue Wei and Mo Mei go from mistrusting each other to relying on one another, facing countless days and nights of trials together. Mo Mei's innocence and determination gradually melt the ice in Xue Wei's heart, while Xue Wei's strength and tenderness give Mo Mei a sense of security unlike anything she has ever known. Just as they finally open up to each other and confirm their feelings, they unexpectedly uncover an even greater secret between them: one about bloodlines and fate. How will this secret affect their future? Can they overcome every obstacle and be together?