In 3 sentences: The Odyssey books 18-24 detail Odysseus finally revealing his identity to Penelope and killing the suitors who have been living in his house. After testing Penelope's loyalty, Odysseus strings his bow to begin fighting the suitors with his son Telemachus. They are able to kill all the suitors with the help of Athena. Odysseus then reunites with his father and they celebrate his return home to Ithaca.