该剧以一宗沉寂多年、悬而未破的女童连环杀人案为背景，讲述了“神探教官”司徒琨（袁文康饰）为培养一批刑警精英组建特殊实验班的故事，二十岁的“推理天才“李俊成（刘冬沁饰）与超强直觉天赋异禀的少女林曦（陈梦瑶饰）、腹黑多金的秦川（小麦饰）、冰山美人纳兰慧（刘美彤饰）、情报达人丁小兵（索笑坤饰）等人共同以智慧和高超推理技巧一步步通过多轮考核，用坚韧信念，力挽黑暗狂澜，扛起正义使命，在一桩桩激流暗涌扑朔迷离的案件中逐渐成长为有能力有担当的一线刑警。

When an unsolved serial murder case resurfaces, genius instructor Situ Kun assembles an elite team of criminal investigators: brilliant strategist Li Juncheng, intuitive prodigy Lin Xi, cunning Qin Chuan, cold beauty Nalan Hui, and resourceful Ding Xiaobing. Together, they confront challenging cases, honing their skills and growing into a powerful force for justice.