The people must obey God. It was disobedience that resulted in the Babylonian captivity, so it is not advised that Israel do it again. Israel will be defended against enemies. There are also verses on the coming of the Messiah. In other words, there are predictions about Jesus. The predictions involve Jesus riding on a donkey, his betrayal, and crucifixion. The book ends with the second coming of Jesus. It is known as the “Day of the Lord.”
Like Zechariah, the Book of Malachi takes place after the Babylonian captivity. The purpose of Malachi is to ensure that the hearts of the Israelites were right and that they were keeping God first. The first 2 chapters involve Malachi identifying the sins of the Israelites and their priests. The third chapter speaks of a messenger who will prepare the way for the Messiah. The messenger is John the Baptist. The final chapter of Malachi and the Old Testament speaks of the great day of the lord where God will bring judgement to all the people of the