Ngô Thế Dũng

The year 1963 drags on heavily. Rumors about the US-backed coup are spreading. Ngo Dinh Diem's ​​government continues to suffer from a severe loss of popularity that is still worsening. Two lots of trafficked drugs from the Golden Triangle to South Vietnam have vanished into thin air. Luan sets out on what may be his final collaboration with Ngo Dinh Nhu.

In 1963, amidst tense relations with Buddhism that may face international backlash, the Ngo family try to find a way around the situation, calling on Luan for missions worth his life. Saigon is heated. A coup may be under preparations. Tran Le Xuan goes on a diplomatic tour of Western nations, determined to clear names.

Luan is entrusted by Diem-Nhu to become Commander of the Great Flood Operations and also Commander of Binh Duong's Security Corps, with full authority to take action to rectify the situation in this province. The Liaison Department of the Republic of Vietnam, under the support of the United States, carries out plans to send commandos to North Vietnam for reconnaissance. If the commandos successfully infiltrate, they will respond to South Vietnam with a tango. Plans Tango No. 1 and Tango No. 2 failed. What will become of plan Tango No. 3?

Luan returns to Saigon and becomes a Major in the Presidential Special Forces. He and Thuy Dung continue their relationship. News that Ngo Dinh Diem is opening the Highland Economic Fair held in Ban Me Thuot has attracted the attention of many intelligence and security organizations, whose political purposes vary.

After the Geneva Convention, Viet Minh cadres are gathered to the North. There are also many who secretly stayed. Among them is Robert Nguyen Thanh Luan. He returns to Vinh Long, part of the diocese of Bishop Peter Ngo Dinh Thuc, who has known his Catholic family for long. The bishop adopts him into the Ngo family, where he begins associating with Ngo Dinh Nhu, the Vice President and Presidential Consultant of the Republic of Vietnam.