At the turn of the century, an expedition under the leadership of a maverick academic, Professor Challenger, leaves smog-choked London for the rainforests of South America in search of a mythical land - where it is said that time has stood still.... and where dinosaurs still roam. Accompanying Professor Challenger are a rival academic, Professor Summerlee, the famed and dashing hunter, Lord Roxton, and a young reporter, Edward Malone. They are joined in the Amazonian jungle by a settler, Theo, and his niece, Agnes. Together, they are about to embark on a terrifying adventure. What they will learn in their struggle to survive the lost world, will leave them wiser but forever changed.