March 2023 marks the 50th anniversary of the departure of the last American combat troops from Vietnam. Vietnamese journalist Nga Pham uncovers the surprising story of the US veterans who served in Vietnam during the 1960s and early '70s, and have since returned as retirees and decided to make the country their home. Can it just be the cheap housing, affordable healthcare and low cost of living? Or is it a way of healing from the psychological trauma of their experiences serving in the US military during the war in Vietnam?