He had an incredible acquaintance with her. In the interrogation room, she was wearing a pair of cold handcuffs, her delicate makeup and cold and calm expression did not look like a criminal suspect at all. She remains unmoved by threats and temptations; she remains calm and self-possessed when surrounded by traps. Even the most resourceful old man in the bureau could only shake his head. He suddenly became interested while standing in the monitoring room. It wasn't until he took the initiative to ask Ying to interrogate her that he realized that he hadn't been so impulsive in many years. And they don't know that this is just the beginning...