In the falling snow in Luoyang, Luo Xi and Shen Yan, who had transferred from school, met by chance. The young man Shen Yan is as cold as the winter wind. His closeness and care make Luo Xi, whose parents have divorced since childhood and have been lonely and sensitive, quietly fall into the small warmth.
Backstage at the school anniversary, an unexpected quarrel reveals a secret past - their parents were once good friends, but they were separated for many years due to the breakdown of their marriage. They were supposed to be partners who grew up together. After learning the truth, Luo Xi chose to escape, trapping herself in memories and contradictions.
Can Shen Yan's persistent waiting and sincere letters dispel the haze in Luo Xi's heart? In the Wutong Courtyard in the old city of Luoyang, can two teenagers with family scars overcome past regrets and misunderstandings, get to know each other again, and write a new chapter for them?
Purpose: Know yourself