In a South Yorkshire city, Ryan Sinclair, Yasmin Khan and Graham O'Brien are about to have their lives changed forever, as a mysterious woman, unable to remember her own name, falls from the night sky.
A drama that explores the life of Mother Teresa (Juliet Stevenson) through letters she wrote to her longtime friend and spiritual advisor, Father Celeste van Exem (Max von Sydow) over a nearly fifty-year period.
