The noisy cicadas cover up the secrets and pain of youth. In her senior year of high school, the quiet and introverted Su Nianwei always guarded a secret - a life-threatening health problem. When she met Jiang Yubai, the proud man of heaven, their beautiful love was full of cracks due to frequent hospital visits and suddenly interrupted appointments.
The childhood sweetheart Lu Yuan, who has always known everything, is guarding her silently, while her best friend Lin Xiaoman is drifting away, burdened with the burden of her own family. When the condition worsened, Su Nianwei had to choose to leave, and her youth was suddenly broken.
Years later, the sound of cicadas returns, and with physical and emotional scars, they meet again. This time, can we overcome the barriers and find the courage to love in the incompleteness? This is a story about separation, growth, and ultimately healing from the scars.