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.

The Government of the Republic of Vietnam is subjected to military attacks and protests everywhere. Law 10-59 is enacted. Luan is sent to the United States for further military course training. Upon his return in early 1961, Ngo Dinh Diem decides to make him the governor of Kien Hoa province (Ben Tre today) to conduct the Pacification Program, with special privileges at his disposal.

Luan continues to serve as the governor of Kien Hoa province and receives classified information sent by Y5, an agent installed by Kien Hoa Security in the Communist Party of Vietnam. He tries to identify Y5. The coup in 1960 ends with victory for the Republic's government, but unrest soon proves this result impermanent.

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.

A police officer receives a worn-out and traumatised woman who begs him to take actions against a ruthless man that ruined her life, and only gives his moniker, Tín Mã Nàm, meaning “crazy horse” in Cantonese. As the officer sets out to search for Tín Mã Nàm, a network of intricate crimes, espionage and bloody murders beyond his imagination begins to unfold.

A couple falls in love, but soon gets separated by the jealous patriarch of their Hmong village.