This haftarah opens with Jephthah, the son of a prostitute, driven out by his father's other sons who refuse to let him share in the family inheritance, forced to flee and gather a band of outcasts around him in a region called Tob, until the elders of Gilead, facing an Ammonite threat, come to ask the very man they had once expelled to lead them in battle.
Jephthah first sends a diplomatic message to the Ammonite king, recounting Israel's own history in careful detail: the request to pass peacefully through Edomite and Moabite territory that had been refused generations earlier, the subsequent defeat of Sihon, king of the Amorites, and Israel's settlement of land won fairly through that victory rather than through unprovoked aggression against Ammon's own territory.
The haftarah closes with the Ammonite king refusing to accept this historical account, and Jephthah, with the spirit of God upon him, leading Israel to a decisive victory, striking down twenty cities and subduing the Ammonite threat that had prompted his own reluctant return to leadership among the people who had once rejected him.
Jephthah's vow, made later in this same chapter of Judges but outside the boundaries of this specific haftarah reading, is often remembered as the more famous part of his story, yet the portion selected here focuses instead on his diplomatic recounting of Israel's history and his military success, leaving the vow itself for a reader of the fuller narrative to encounter separately.