A gifted criminal profiler lost someone important to him while he was helping the police solve a bizarre campus serial killing. The lost crippled his mind and left him unable to profile again. But when another serial killing threatened the city, he had to confront his inner demon in order to track down the serial killer.

• Chen Ruoxuan
• Wang Longzheng
• Han Yezhou
• Zhang Xiang
• Liu Yong
• Guo Yilin