A minority group enters a community and through hard work and perseverance gains a measure of financial security and grudging toleration from their neighbors.
Then disaster strikes, the minority is blamed for it, and as a result faces discrimination and mistreatment, not only from the yokels among whom they live, but also from the highest authorities in the land. Members of the minority prove in every way — including with their lives — that they are not to blame for the disaster, and indeed are doing everything they can to help the country overcome it.
When they return home, they hope, in light of what they've done, to be received if not as heroes then at least as neighbors. Instead, discrimination and abuse are the norm, apologies are not forthcoming, reparations are not made — until, that is, decades later. This is the story of the Japanese-Americans who fought for the United States in World War II.