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.

Mother Teresa (Juliet Stevenson), recipient of the Nobel Peace Prize, is considered one of the greatest humanitarians of modern times. Her selfless commitment changed hearts, lives, and inspired millions throughout the world. This movie is told through personal letters she wrote over the last forty years of her life and revealed a troubled and vulnerable woman who grew to feel an isolation and an abandonment by God. The story is told from the point of view of Vatican Priest Father Celeste van Exem (Max Van Sydow), charged with the task of investigating acts and events following her death. He recounts her life's work, her political oppression, her religious zeal, and her unbreakable spirit.