The film is set in Vietnam in 1989, fourteen years after the end of the war. Christina Noble flies into Ho Chi Minh City (formerly Saigon), a country "that she wouldn't be able to show you on a map". With a few dollars, her own hard-won courage, she is about embark on a life calling. The film explores her tough upbringing in Dublin and her early adult life in the UK. It is the inspirational true story of a woman who believes that it only takes one person to make a difference.