Chinese teacher Du Huaian hides a secret - he can see the emotional color flowing through words. After being transferred to Qingteng Primary School, he discovered that the typo "guan" in student Li Mingyu's composition oozed scarlet sadness, and the word "forget" in his daughter Ruoxi's painting was shimmering with cold silver light.
It turns out that there is a mysterious force "Wangyou Pavilion" hidden in the city. In the name of psychological counseling, they extract children's true feelings and words to nourish the "worry-free state". With Du Huaian's intervention, he discovered that he was not alone - the retired teacher Su Qinghe, the notes of the missing senior, and students with the same talents formed the secret guardian of the context.
From the secret realm of word spirit underground in the school history museum, to the emotional scale on the playground, to the sincere composition exhibition, Du Huaian led the children to use the pen as a blade to fight against standardized emotional plunder with the purest words. As the Wen Zhen is approaching, the conspiracy of Wangyou Pavilion, the game of the wordsmiths, and the cultural secrets from four hundred years ago all point to the ultimate mission: to protect the clumsy but true glimmer of words in the hearts of every child.
