In a world TV exclusive, Sarah Ferguson reports on the fallout of a brutal US immigration policy that tore families apart. She tracks the journey of a mother seeking to reunite with her children after 4 years alone.

It's called 'the British betrayal' - Great Britain promised Brexit wouldn't lead to the creation of a new border between the UK and Northern Ireland. It broke that promise. Now the province's Loyalists, welded to the union with Great Britain, are feeling abandoned.