In 1960s South Vietnam, an undercover agent slowly works his way up through the ranks of Ngô Đình Diệm's administration to become one of its most prominent advisors
Vũ Đình Long/Hai Long
Ngô Đình Nhu
Trần Lệ Xuân
Ngô Đình Diệm
Ngô Đình Cẩn
Dương Văn Hiếu
Hai Long's wife
Lê Vượng
Lê Quang Tùng
Ngô Đình Thục
