An anti-fraud unit comprised of police vice captain Kuang Zhong, Ma Sai and Zhu Xi is established for the purpose of taking down a major crime syndicate.

A telecom fraud case is connected to a large sum of money. Kuang Zhong (Guo Xiaodong) receives urgent orders to work with Zhu Xining (Wang Qian), Ma Sai (Xu Yue) and other colleagues to form the 10th squad.

Each exhibiting their own strengths, they work tirelessly to ensure the financial security of the public. However, the investigation is difficult and there are many hurdles to overcome. They are misunderstood and even rebuked for the work that they do. Under the leadership of Kuang Zhong, the team learns to help each other to crack the case.