Lan met Xue and Fei in junior high school, although she met Fei first. But she found that there were always many barriers between herself and Fei that prevented them from being together. Later, when he met Xue, Lan was in trouble. She found that she fell in love with blood, and Fei was not as affectionate to her as before. Could this herald the coming of a life and death choice? . . . . . ?