Peleus and Thetis, parents of Achilles, are getting married with the gods present. The goddess Eris throws a golden apple, entitled with the faires. Juno, Venus and Minerva all want it.
The goddesses decide to pick one human, Prince Paris of Troy, to decide which one of them is the fairest. They all bribe him, and Paris chooses Venus, who gives him the love of Helen, married to Menelaus.
Paris steals Helen from Menelaus, and all the Greek war heroes assemble to fight back. Helen is miserable in Troy.
Hector kills Achilles companion, Patroclus. In revenge, Achilles murders Hector.
After 10 years, Odysseus comes up with a way to win against Troy. The Greeks build a wooden horse, with them inside, and pretend to sail away. That night, they start killing the Trojans and destroying the city.
Aenaus and some other people flee Troy, and the city is completely destroyed. Helen is reunited with Menelaus, but is traumatised.