Verses 1-8: Introduction and Historical Review. Moses begins by recalling the covenant God commanded him to make with Israel and recounts God's mighty works in Egypt and the wilderness, including the conquest of hostile kings and the inheritance given to the tribes.
Verses 9-14: Call to Covenant Faithfulness. Moses exhorts all Israel, including leaders, families, and foreigners, to uphold the covenant and enter into God's oath, establishing them as His people as promised to the patriarchs.
Verses 15-21: Warning Against Apostasy. Moses warns against turning away to serve foreign gods, describing the spiritual danger as a root bearing bitterness and the resulting divine judgment and removal from the covenant community.
Verses 22-28: Consequences of Covenant Breaking. The chapter describes the future devastation and exile that will come upon Israel for forsaking the covenant, likening it to the destruction of Sodom and Gomorrah.
Verse 29: The Secret and Revealed Things. The chapter concludes by distinguishing between God's secret purposes and the revealed commands given to Israel and their descendants for obedience.