A rookie cop goes undercover without his deputy captain's knowledge, sparking a tense cat-and-mouse game between them. As they work together, the seasoned detective and idealistic rookie clash over their differing approaches to fighting crime.

• Lin Shen
• Liu Yitong
• Luo Yutong
• Long Zhengxuan
• Ning Danlin
• Liu Yijun
• Fan Lei
• Zhang Xinning