The。boisterous,。arrogant。professor。Challenger,。a。reputed。biologist。and。anthropologist,。dares。the。London。Zoological。Society。to。mount。an。expedition。to。verify。his。spectacular。claim,。without。physical。proof,。that。his。previous。expedition。to。the。Amazonian。basin。found。live。dinosaurs.。Apart。from。him。and。his。'socialite'。counterpart,。professor。Summerlee,。it。consists。of。experienced。discoverer。Lord。Roxbury,。the。young。reporter。Ed。Malone。-who。got。publicly。struck。down。with。Challenger's。umbrella。at。his。arrival-。and。Jennifer。Holmes,。Malone's。news。agency's。boss's。daughter,。essentially。as。conditions。for。putting。up。the。money.。In。Brazil。they。are。joined。by。Jennifer's。brother。David。and。local。'guide'。Manuel。Gomez.。They。soon。discover。the。dinosaurs。are。real。and。dangerous,。like。giant。spiders,。but。loose。their。helicopter。and。thus。are。desperate。for。a。way。down。from。the。isolated。plateau.。They。learn。Roxbury。knew。about。the。fate。of。Burton。White,。an。explorer。whose。diary。they。find,。thus。presume。to。be。dead,。in。search。of。diamonds,。and。confirmation。of。the。local。tribe。being。the。lethal。guardians。of。the。plateau's。secrets,。but。also。get。surprising。help...