This haftarah opens with King David in extreme old age, unable to keep warm despite every covering, and his attendants bringing a young woman, Abishag the Shunammite, to care for him and lie beside him for warmth, though the text specifies the king had no intimate relations with her, establishing plainly how frail he has become.
Into that vacuum steps Adonijah, David's son, who declares himself king without his father's knowledge or consent, gathering support among some of David's officials and holding a feast to mark the occasion, while pointedly not inviting Solomon, Nathan the prophet, or several others loyal to David's own wishes.
Nathan alerts Bathsheba, Solomon's mother, and together they approach David, reminding him of an earlier promise that Solomon would succeed him, prompting David to act decisively despite his physical weakness and confirm Solomon as his chosen successor, securing the succession before Adonijah's bid for the throne could take permanent hold.
Solomon's confirmation as king closes the haftarah on a note of settled continuity, the very outcome Abraham had worked to secure for Isaac earlier in the same parashah, so that both halves of this reading end with a succession safely resolved rather than left to chance.