1) Telemachus visits Nestor in Pylos and Menelaus in Sparta to ask about his father Odysseus, who has been missing since the Trojan War.
2) Nestor tells Telemachus he has no news of Odysseus but warns him about the suitors in Ithaca. Menelaus then shares his story of getting home, including being helped by a sea goddess, and reveals that Odysseus is trapped on an island by the goddess Calypso.
3) Meanwhile, back in Ithaca the suitors plot to ambush Telemachus when he returns, unaware that Athena is protecting him. Penelope grieves for her son's safety.