Sixteen-year-old Tang Xiaoxiao is an unknown poor student in a provincial key high school. She is also a good girl who is ignorant about love. She had a crush on Gao Yang, the top student in high school, for three years to no avail. After graduation, she finally mustered up the courage to confess her love but was coldly rejected. After graduation, she went to a third-rate university and naturally became an office worker. The only flaw was that by the age of 30, she had yet to meet the person she wanted to entrust her life to. She was already an older leftover girl and had to obey her parents' coercion and go on a blind date with a people's teacher. However, on the way back from the blind date, she received a sudden letter from a little boy without the name of the sender. She unfolded the letter and found a line of poetry on it, which completely changed her destiny...