This is the second movie about Mother Teresa I've seen in my lifetime, the first being Mother Teresa: In the Name of God's Poor starring Geraldine Chaplin from several years back. This one goes through similar territory concerning her career of helping the poor but also explores her letters that gets discovered by some present-day cardinals. In those letters, she mentions how lonely and depressed she felt during all those years of doing what she always said was God's work though she never expressed that publicly and in fact, wanted those letters destroyed after she passed on not wanting the burden of being thought of as less-than-thankful for her life's work. My mom watched this with me and we both agreed it was another well-made film about a woman who sacrificed so much during her lifetime. So that's a high recommendation of The Letters.