Liu Zhiyu, who graduated from the Provincial Police Academy, dreamed of becoming a criminal investigator, but accidentally became a special service mobile team member. Faced with the gap between ideal and reality, together with his close friends and confidants Zhong Dahai, Zhang Xinping, Bai Bingjie, Ye Zhuoran, and Liu Haowei, they did not compromise with fate, did not complain to life, were unwilling to remain mediocre, and stuck to their aspirations. They worked hand in hand, worked tirelessly, and strived to control their destiny in their own hands, determined to pursue a valuable and meaningful ordinary life.