Ván bài lật ngửa: Phát súng trên cao nguyên

After a tumultuous arrival and subsequent stay in Da Lat for military training, Luan returns to Saigon a Major in the Presidential Special Forces. He and Thuy Dung continue their relationship. News that Ngo Dinh Diem is opening the Ban Me Thuot's Highland Economic Fair attracts many intelligence and security organizations, whose political purposes vary.