King Benjamin gathers his people at the temple in Zarahemla. They learn that when they serve one another, they are serving God. King Benjamin makes his son Mosiah the new king.
The prophet Abinadi rebukes King Noah and his priests for their wickedness. Abinadi teaches the Ten Commandments and prophesies that the Lord will come to earth to redeem His people.
Alma the Younger and the sons of Mosiah persecute God's people and try to destroy the Church. But they repent after an angel of God appears to them and tells them to stop.
Alma the Younger ask Nephihah to be the chief judge so Alma can teach the people to let go of their pride. Alma teaches the people to have faith in Jesus Christ, to repent, and to be baptized.
Ammon and the sons of Mosiah go to teach the Lamanites the word of God. Ammon becomes King Lamoni's servant and teaches him the gospel of Jesus Christ.
Alma the younger counsels his sons. He invites Helaman to keep a record of the people. He commends Shiblon for his righteousness. He commands Corianton to repent.