Despite the initial conquest of Palestine, the process of subjugation continued and, in fact, some parts of the country were never conquered. Heroes (Judges) rose up amongst the people in times of crisis, and this book is primarily an account of their exploits.
The book opens with an account of the conquest of Canaan which is roughly parallel to that in the book of Joshua (Ch. 1-2:5); then follows the main body of the book, which, after a moralizing introduction (Ch. 2:6-3:6), relates the adventures of the individual Judges: Othniel (Ch. 3:7-11), Ehud (Ch. 3:12-30), Shamgar (Ch. 3:31), Deborah (Ch. 4-5), Gideon (Ch. 6-8) and his infamous son, Abimelech (Ch. 9), two minor Judges (Ch. 10:1-5); Jephthah (Ch. 10:6-12:7), three more minor Judges (Ch. 12:8-15) and Samson (Ch. 13-16). The book concludes with an appendix containing tales about the migration of the Tribe of Dan (Ch. 17-18) and the sins of the Benjaminites (Ch. 19-21). In all this, one clear lesson stands out: Loyalty to God is the first requisite for national success and disloyalty a guarantee of disaster.