35-year-old Su Qing closely monitors the grades of her junior high third-year daughter, Xiao Nuo. Her daughter's personality changes drastically and her grades slip, rupturing their mother-daughter relationship. Xiao Nuo encounters self-harming classmate Lin Yu on the rooftop, and the two heal each other. After discovering the truth behind her daughter's depression, Su Qing experiences a sudden awakening, and Lin Yu's mother also faces her child's psychological issues head-on. The two mothers let go of parenting competition and accept their children's imperfections. Su Qing abandons her obsession with entrance exams, supporting her daughter's painting hobby, while Sister Chen stops forcing her son to fight for first place. After repeated adjustments, the two children gradually recover and return to campus, and Su Qing also devotes herself to psychological science popularization, understanding the inner desire to be understood hidden behind her child's rebellion.