Mother Teresa (Juliet Stevenson), recipient of the Nobel Peace Prize, is considered one of the greatest Humanitarianism of modern times. Her selfless commitment changed hearts, lives and inspired millions throughout the world. The film is told through personal letters she wrote over the last forty years of her life and reveal 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 a Vatican priest (Max von 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.