The little girl Xiao He holds her mother's keepsake to search for special operations team member Lu Zheng, and paternity is confirmed via DNA. Xiao He possesses the intuition to sense danger, but her prompts serve only as clues, and handling always follows professional procedures. As the two get along and bond, they uncover past events where the mother was trapped by missions and injuries and unable to reunite, jointly investigating a remaining case. Lu Zheng learns to respect the child's thoughts, and Xiao He also understands her value extends beyond her special intuition, as father and daughter accompany each other to find a warm, belonging home.