There is an engine that never stops spinning in Meng Jing's body, supporting him to sprint hard on the track in his senior year of high school. Academic difficulties, emotional entanglements, and interpersonal frictions all failed to stop him from moving forward. He fought side by side with Huang Zhitao, resolved conflicts with Fang Yifan, and clarified the bonds with Li Meng and Song Qian. Those passionate, ignorant, and stubborn moments all became the prologue of youth and opened a new life journey for the young man.