Navi Mumbai on Saturday celebrated Onam Opulence 2026 bringing together the vibrant traditions, art and cultural heritage of Kerala. Pics/Atul Kamble

As Indians across the country and the world get ready to watch The Odyssey, which released on July 17, here's all you need to know about the story that inspired the Christopher Nolan film starring Matt Damon, Tom Holland, Anne Hathaway, Robert Pattinson, Zendaya, and Charlize Theron