In his youth, Jiang Zhuo fell in love with Song Zhiming at first sight and made a vow to marry no one else but her. Afterwards, the two lost contact due to circumstances. When they met again, the once beautiful Song Zhiming had become a 200-jin big fatty due to the effects of hormones. Jiang Zhuo did not show the slightest bit of disgust, and instead loved Song Zhiming even more passionately. In the end, Song Zhiming did not lose weight, but the two of them loved each other dearly until old age.