Cupid, the God of Love, shot Chen Xi and Mo Yufan with a golden sword, allowing them to meet, get to know each other, and fall in love, but failed to make them stay together.
Chen Xi, because of her childhood mistakes, did not believe that she could be happy. After experiencing everything, she wanted to hold on to her own love.
Mo Yufan, because the girl he loved came back desperately, and after everything he had experienced, he felt that they could never go back.
From high school, college to society, Chen Xi and Mo Yufan have been in love for twelve years, but they have also been in love bitterly for twelve years.