On the first day of high school, Xi Ning became roommates with the transfer student Zhou Yiran; she put a strawberry candy in her English textbook as a secret that she dared not tell; the two got close as they organized the books together, and Zhou Yiran accidentally discovered the candy wrapper but did not break it; Xi Ning mistakenly thought that Zhou Yiran liked the class beauty and chose to withdraw; Zhou Yiran had an incident at home, Xi Ning secretly helped him with tutoring when his grades declined; Strawberry Candy was thrown into the trash can by a classmate as a prank, and Xi Ning broke down and cried; Zhou Yiran bought the same candy and stuffed it back into her textbook, writing "Don't cry"; On the eve of the college entrance examination, Zhou Yiran's father died of illness, and he left a note "Waiting for me to come back" and then disappeared; Xi Ning was admitted to a foreign university, Strawberry Candy It was left in the old textbook; seven years later, Xi Ning became a perfumer and saw Zhou Yiran's name in the customer information; she dug out the old textbook and found that the sugar had melted, but the candy wrapper was still there; the two reunited and found that they both kept the page numbers of the textbook from that year; Zhou Yiran explained that he left because of low self-esteem, and now that he came back, he just wanted to find the candy; Xi Ning They decided not to hide it anymore, but Zhou Yiran's company was facing a crisis, so she used her perfumery skills to help him; the two faced public pressure and family opposition together; they spent a year repairing old wounds, and finally made their relationship public at the class reunion ten years after graduation; the aroma of strawberry candy was made into a brand perfume and became a token of their love