It uses the clues of youth growth to narrate the sad years of a group of people and the pain in pursuit of dreams. Starting from the age of five, the color of youth pain begins to appear. Wu Rui was accidentally discovered to be terminally ill. Her parents' final decision made her extremely sad... And Xue Yong and the others are still living a tragic life in such an environment. Life is painful, and Xue Muou has been traumatized since he can remember... Nearly ten years later, the same people met in different places, and each used their own way of life to express their inner sadness. Even though they met, no matter what, they still couldn't stop the ending of the hasty scattering of years...