This chapter recounts Thanh's time in serving the National Liberation Front (NLF), the Democratic Republic of Vietnam (DRV), and eventually the Socialist Republic of Vietnam (SRV). It talks about Thanh's work with the foreign relations office in Hanoi and her assignment to escort journalists Wilfred Burchett and Madeleine Riffaud after the Geneva Accords. It also describes Thanh's duty of being a translator and assistant to Mme Nguyen Thi Binh, on the Central Committee of the NLF, where she traveled the world to meet with women's peace groups. The chapter looks into how Thanh was eventually assigned to the Vietnam mission to the United Nations. It also delves into Thanh's diplomatic career, in which she made immense personal sacrifices and was dubbed “Political Mother” by the Saigon sisters.