In the early 1990s, Du Xiangdong, a top student at the police academy, was reluctantly assigned to a detention center. When two suspects under his supervision unexpectedly escaped, it sparked Du Xiangdong's relentless pursuit that spanned over 20 years.

• Qin Hao
• Han Geng
• Zhong Chuxi
• Shi Pengyuan
• Lin Boyang
• Liu Xiaohai
• Su Xiaoding
• Zhang Jingwei