38 - Jeremiah is imprisoned for hurting the war effort, encouraging Judeans to defect. He becomes a political football between nobles, in and out of prisons, summoned to and sent from the king. Jeremiah tells King Zedekiah privately to surrender, and it will be easier for him. He objects, and never does.
39 - Jerusalem is taken, nobles and king's sons killed, king and people exiled, temple and palace torn and burned down. Jeremiah is treated well and God promises the same to a nobleman who protected him.
40 - Judah brings in the harvest; governor Gedaliah orders the remnant to serve Babylon. Rumors of assasination go ignored.