Daoxian continued to search for Minzhi based on surveillance, communication records and suspicious vehicles, and found that his daughter's disappearance was not an ordinary kidnapping.Gang forces and intelligence clues intertwined, and old acquaintance Han Xiu was also involved in this tracking.While avoiding the sight of the police and enemies, Daoxian used calm methods to approach the people behind the scenes. The codename 66, which he had hidden for many years, gradually attracted the attention of dangerous organizations.