The film follows criminal police officer Cui Xun over half a century of investigative work. Alongside his colleagues, he solved numerous major cases while staying true to his original aspiration of 'serving the people.' This legendary detective not only witnessed the evolution of China's public security system but also stood as a living testament to the rise of New China.
Zhang Yi
崔寻
Ma Li
黄仁德
Chen Minghao
王卫国
Li Xuejian
老年崔寻
Karry Wang
Fan Chengcheng
Arthur Chen
