Isaiah 1–5 opens with a courtroom-like indictment of Judah for rebellion, injustice, and hollow worship. God rejects sacrifices offered without righteousness and calls the people to repentance, promising cleansing and restoration if they return.

The chapters move between judgment and hope: a vision of Zion restored as a place of peace and instruction, followed by warnings against pride, greed, and moral blindness. Isaiah ends this section with a series of woes, exposing a society that has lost its moral bearings and stands on the brink of judgment.