Netflix's "Mary" movie is No. 1 on the streaming service, reinforcing the interest in the Mother of God. But what does it mean to be "full of grace"? A theology professor and author shared insight.

“Mary,” a Biblical epic streaming now on Netflix, tells the story of the Nativity through the eyes of Mary of Nazareth (Noa Cohen). The film follows Mary, Joseph (Ido Tako) and the newborn Jesus as they escape persecution from King Herod (Anthony Hopkins).