Return to Nazareth in Galilee.
v.19-20 An angel again appears to Joseph in a dream and tells him to return to Israel because Herod is dead. Josephus records the horrible death of Herod (Antiquities 17.vi.5).
v.21-22 Joseph took Jesus and Mary and returned to Israel. He learned that Archelaus was reining over Judea and was afraid since Archelaus was a brutal ruler like his father Herod. Being warned in a dream, he withdrew to the district of Galilee.
v.23 Mary, Joseph and Jesus settled in the town of Nazareth. This fulfilled the OT prophecy: “He shall be called a Nazarene.” Nazareth was a small village halfway between the Mediterranean Sea and the Sea of Galilee. According to Luke, Nazareth was the former home of Joseph and Mary (Lk 2:39).

Read Matthew 2:19-23

Herod murders the boys in Bethlehem.
v.16 Herod, deceived by the fleeing Magi, kills all the boys in the vicinity of Bethlehem under the age of 2 years (based on the time he ascertained from the Magi). Jesus was between 6 and 20 months old (Carson).
v.17-18 This fulfilled an OT prophecy (Jer. 31:15): “A voice is heard in Ramah, weeping and great mourning, Rachel weeping for her children and refusing to be comforted, because the are no more.” Ramah is a village near Bethlehem and near to where Rachel was buried.

Read Matthew 2:16-18

Escape to Egypt.
v.13 An angel appears to Joseph in a dream and warns him to flee to Egypt because of Herod’s plan to search for Jesus to kill him. God here takes sovereign action to preserve the Messiah.
v.14 Joseph arises in the night and leaves with Mary and Jesus for Egypt. Egypt was a journey of about 90 miles. There was a large population of Jews in Egypt at the time, according to Philo.
v.15 They remained in Egypt until the death of Herod. This fulfilled the OT prophecy: “Out of Egypt I called my son” (Hos 11:1).

Read Matthew 2:13-15