Song Mingyue and Zhao Ming once knew and loved each other deeply. After going through a crisis during childbirth, the two unexpectedly parted ways, and she mistakenly believed that her daughter and lover were no longer in this world. Eight years of time hastily passed, and Zhao Xiaohua alone with difficulty cared for her ailing father, meeting Song Mingyue by the chance of seeking medical treatment. Relying on a unique birthmark and a token of love, the sealed past slowly surfaced.