The Nativity Story. In Nazareth, teenager Mary is betrothed to the local carpenter, Joseph. Mary is visited by an angel and told that she will fulfill a prophecy and as a virgin give birth to God’s son, the savior of the world. Mary’s pregnancy brings her the scorn of the community and Joseph struggles to believe her seemingly outlandish story. Meanwhile, a census forces every man and his family to return to his place of birth. Joesph and Mary set out on a long and arduous journey to Bethlehem. This story is based on the Biblical account of the birth of Jesus Christ.