The story tells the story of Lei Xu (played by Zhang Yi), director of the Airborne Juvenile Procuratorate, and the unprosecuted prosecutor Du Ziyu (played by Qin Lan), clerk Yang Tian (played by Xu Fan), bailiff Xu Zhangli (played by Wang Zhen'er), and assistant prosecutor Liu Liu (played by Zou Yuanqing) while handling juvenile cases.