After learning of Ji Huaizhi's engagement to his first love Shen Nianqing, Sheng Baichu ends their relationship—only to discover she is pregnant. She chooses to keep the child in secret, intending to use the umbilical cord blood to save her father, who is dying of leukemia with less than six months to live. A silent race against time begins, weaving pain and love into an act of ultimate sacrifice.