The Special Mission Unit is a special operations team affiliated with the Ministry of Public Security, its English name is Special Mission Unit (SMU), which is responsible for the detection of difficult cases and major and important cases. The few members of the task force are all elites selected from thousands of people. They all have unique skills and have repeatedly made military exploits in a series of cases. Becoming a SMU member is the dream and honor of many people. Today, the Special Task Force welcomes its first female recruit since its inception. What cases and challenges will she face together with the members of the task force?