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Ten years after the fall of Troy, Odysseus remains trapped on Ogygia by Calypso, while insolent suitors consume his wealth in Ithaca. Athena persuades Zeus to permit Odysseus’s return and descends to Ithaca in disguise to spur young Telemachus into action. She instructs the prince to summon an assembly of Ithacan elders and voyage to Pylos and Sparta for news of his absent father.
Telemachus convenes the Ithacan elders to denounce the suitors who squander his household, but Antinous blames Penelope for delaying marriage through her unweaving trick. Halitherses interprets two eagles tearing each other overhead as an omen of impending slaughter for the suitors. Aided by Athena disguised as Mentor, Telemachus secures a ship and crew, setting sail by night without informing his mother.
Arriving at Pylos during a massive sacrifice to Poseidon, Telemachus receives warm hospitality from the venerable King Nestor. Nestor recounts the tragic returns of Agamemnon and Menelaus after Troy’s fall, though he lacks news of Odysseus’s fate. Nestor provides his son Pisistratus as a guide and chariot escort to lead Telemachus inland toward Sparta.
King Menelaus and Helen welcome Telemachus to Sparta, recognizing his resemblance to Odysseus before he even reveals his name. Menelaus relates his own encounter with the sea-god Proteus, who revealed that Odysseus lives as a captive on Calypso’s island. Meanwhile in Ithaca, the suitors discover Telemachus’s secret voyage and lay an ambush at sea to assassinate him on his return.
Hermes carries Zeus's command to Ogygia, compelling the nymph Calypso to let Odysseus build a raft and depart. Poseidon spots the hero sailing and unleashes a furious tempest that destroys the wooden raft. Guided by the sea-nymph Ino’s magical veil, Odysseus swims through crashing waves for two days until he drags himself ashore on the island of Phaeacia.
Prompted by Athena in a dream, Princess Nausicaa travels with her maidens to the riverbank to wash linens and play ball. Odysseus wakes naked and crusted in sea brine, addressing the princess with diplomatic tact and reverence. Nausicaa provides him with fresh garments and oil, instructing him how to enter the Phaeacian city and seek her mother Arete’s protection.
Cloaked in a mist supplied by Athena, Odysseus walks unseen through the rich city of the Phaeacians to the royal palace. He kneels before Queen Arete and King Alcinous at the hearth, pleading for safe passage back to his native land. Impressed by his humility and nobility, Alcinous promises to supply a ship and crew to escort the mysterious stranger home.
Alcinous hosts athletic games and a banquet in honor of his guest, where Odysseus wins the discus throw after being insulted by Broadsea. The blind bard Demodocus sings of the Trojan Horse, causing Odysseus to weep in silence behind his purple cloak. Alcinous notices his guest's tears, halts the music, and asks the stranger to reveal his true name and journey.
Odysseus identifies himself and recounts his disastrous encounters after leaving Troy, including the intoxicating lotus plant that made his crew forget home. Trapped in the cave of the Cyclops Polyphemus, Odysseus devises a cunning plan to blind the giant with a sharpened stake after getting him drunk. Calling himself Nobody, Odysseus leads his men out under sheep bellies, but foolishly shouts his real name as they sail away, invoking Poseidon’s curse.
King Aeolus gives Odysseus a bag containing all stormy winds, but curious sailors open it near Ithaca's shore, blowing the fleet back out to sea. Cannibalistic Laestrygonian giants destroy eleven ships, leaving only Odysseus's vessel to reach Aeaea. The sorceress Circe turns his men into swine, but Odysseus uses the herb moly provided by Hermes to resist her magic and force her to restore his companions.
Following Circe's instructions, Odysseus travels to the entrance of Hades and performs blood sacrifices to summon the spirits of the dead. The blind prophet Tiresias warns him of Poseidon's wrath and commands his men not to harm the Cattle of the Sun on Thrinacia. Odysseus speaks with his mother Anticleia, fallen comrade Agamemnon, and Achilles before fleeing the overwhelming throng of shades.
Odysseus plugs his sailors' ears with beeswax and ties himself to the mast to survive the seductive song of the Sirens. Sailing through the narrow strait, he chooses to lose six men to the monster Scylla rather than risk total destruction in the whirlpool Charybdis. Driven by hunger on Thrinacia, his crew slaughters Helios’s sacred cattle, prompting Zeus to destroy their ship in a storm that leaves only Odysseus alive.
Phaeacian sailors carry Odysseus to Ithaca while he sleeps, leaving him loaded with treasure in a secluded bay near a sacred cave. Angry at the Phaeacians for assisting Odysseus, Poseidon turns their returning ship into solid stone outside their harbor. Athena greets Odysseus on the beach, hides his wealth, and transforms him into an old beggar so he can scout his home in secret.
Disguised as a ragged traveler, Odysseus walks to the highland hut of his loyal swineherd Eumaeus. Eumaeus receives the stranger hospitably, offering meat and wine while lamenting the absence of his long-lost master. Odysseus weaves a fictitious story of his origins in Crete to test the herdsman's loyalty and gauge the state of the palace.
Athena prompts Telemachus to leave Sparta immediately, warning him of the suitors' ambush waiting near the island of Same. Telemachus takes leave of Menelaus, picks up the prophet seer Theoclymenus, and sails swiftly back to Ithaca under cover of night. Evading the ambush, Telemachus lands safely on the Ithacan shore and makes his way toward Eumaeus's rural shelter.
Telemachus arrives at Eumaeus's hut, sending the swineherd to inform Penelope of his safe return. When they are left alone, Athena restores Odysseus to his true majestic appearance, revealing his identity to his weeping son. Together father and son devise a strict battle strategy to disarm the suitors and slay them inside the Great Hall.
Telemachus returns to the palace, followed later by Eumaeus and Odysseus still dressed in beggar's rags. Outside the gates, Odysseus's old hound Argus recognizes his master's voice after twenty years, wags his tail, and dies. Inside the hall, the suitors mock the beggar, and their ringleader Antinous hurls a footstool at Odysseus's shoulder.
The arrogant palace beggar Irus challenges Odysseus to a boxing match for the suitors' amusement, expecting an easy win. Odysseus lifts his rags to reveal powerful limbs and shatters Irus's jaw with a single devastating blow to the neck. Penelope appears before the suitors, chastising their rudeness while subtly extracting valuable gifts from each of them.
Penelope questions the beggar, who gives an accurate description of Odysseus's clothing to win her trust and assure her the king is alive. While washing his feet, the old nurse Eurycleia recognizes a scar on his thigh left by a boar hunt in his youth. Odysseus silences Eurycleia to preserve the secret while Penelope announces a contest of the bow for the following day.
Odysseus lies awake plotting revenge while Penelope weeps in her chambers for her long-lost husband. Zeus sends a thunderclap from a clear sky, and a servant grinding corn prays for the downfall of the suitors. At the feast, Athena keeps the suitors behaving insolently so Odysseus's anger will burn, while Theoclymenus foretells their impending death in a vision of blood.
Penelope brings out Odysseus's great bow, declaring she will marry whichever suitor can string it and shoot an arrow through twelve axe-heads. Every suitor fails to string the stiff weapon, leaving them embarrassed and anxious. Still disguised as a beggar, Odysseus steps up, effortlessly bends the bow, strings it, and shoots an arrow clean through all twelve iron rings.
Odysseus sheds his beggar rags, shoots Antinous through the throat, and declares his vengeance to the terrified suitors. Telemachus, Eumaeus, and Philoetius join Odysseus, locking the doors and cutting down the suitors as Athena shields them with her aegis. After the hall is cleared, unfaithful maidservants who betrayed the house are forced to clean the gore before being executed.
Eurycleia wakes Penelope to tell her Odysseus has returned and slain the suitors, but Penelope remains cautious and skeptical. Penelope tests him by ordering their bed moved outside the chamber, which Odysseus protests is impossible because he built it around a living olive tree trunk. Recognizing this private secret, Penelope bursts into tears and embraces her husband after twenty years of separation.
Hermes conducts the souls of the dead suitors down to Hades, where Agamemnon praises Penelope’s unyielding fidelity. Odysseus travels to the countryside to reveal himself to his grieving father Laertes in their orchard. When the suitors' relatives gather to avenge their sons in battle, Athena intervenes from above, ordering both sides to drop their weapons and establish lasting peace.
An epic journey of exile, cleverness, divine intervention, and homecoming in ancient Greece.