In the summer of 2019, fifteen-year-old Su Dongcheng confessed his feelings to the person he liked after his graduation ceremony. One moment, Dongcheng was immersed in the sadness of graduation. The next, he was being interrogated by criminal investigators. The junior high school graduate who should have been enjoying his summer vacation became a suspect in a rape and murder case overnight. The victim had a complicated connection to Su Dongcheng. Everyone around him filled him with fear and despair, and all the evidence pointed to him alone. Though he appealed again and again, people still treated him as the killer. Faced with the investigators' relentless questioning and everyone's suspicions, Su Dongcheng could no longer hide the secrets he'd kept buried inside. Who will prevail? Can seeing really be believing? Just as Su Dongcheng was losing all hope, a mysterious woman suddenly entered his world. He understood: this appeal would get him nowhere.