The domineering and willful second-generation official, from a carefree young master to a lonely family living in a big city, finally understands his own heart after experiencing love and being loved. However, the love that should have belonged to him can never come back, and the person he loves most no longer belongs to him. He wasted the most precious seven years when we first got together. After seven years of losing and regaining, he still failed to learn to cherish her. Only when he finally lost did he realize that he spent seven years to make up for it, but still failed to keep his lover. He spent twenty-one years to taste the joys, sorrows, joys and sorrows of life. In the end, this second-generation official finally gave up all his obsessions and decided to fulfill the two people's wishes, thus bidding farewell to his love and lover. On his 40th birthday, the person he loves most decides to give him one last chance and is willing to stay with him for the rest of his life.