To find the Sealed Book that contains a huge secret, Yuan Wan'er sneaks into New Oriental Academy and meets Sima Qingyang by accident. Through various misunderstandings and cooperations, Yuan Wan'er gradually touches Sima with her kindness and smartness. They fall in love with each other. During their search for the Sealed Book, they crack its secret and end up being together....

Su Nuannuan, a 25-year-old blind box designer, has a terrible birthday filled with overtime, misunderstandings, and a breakup. She wishes for a perfect boyfriend on her birthday. In her despair, she buys a seemingly ordinary blind box from a corner store. From then on, she embarks on a fantastical journey with a blind box boyfriend. Will her hope for true love come true?...