Book 4: The Truce is Broken
The gods debate the outcome. Athena tricks a Trojan into breaking the truce, and battle erupts once more.
Summary by Dream Audiobooks

Book 3: Helen and the Duel
Paris and Menelaus agree to a duel to decide the war. Paris is nearly killed but is rescued by Aphrodite, who whisks him away to Helen. Summary by Dream Audiobooks

Book 2: The Great Gathering of Armies
Zeus sends a deceptive dream to Agamemnon, convincing him to attack Troy. Agamemnon tests his army’s loyalty, and the Greeks prepare for battle. The poet lists the armies in the famous "Catalogue of Ships."
Summary by Dream Audiobooks

Book 1: The Rage of Achilles
The epic opens with a quarrel between Agamemnon and Achilles over a captive woman, Briseis. Achilles, enraged by Agamemnon’s arrogance, withdraws from the war. His mother, Thetis, asks Zeus to punish the Greeks. Summary by Dream Audiobooks