Atlantis: The Lost Empire (2001) - Plot Summary Poster


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  • A young adventurer named Milo Thatch joins an intrepid group of explorers to find the mysterious lost continent of Atlantis.

  • 1914: Milo Thatch, grandson of the great Thaddeus Thatch works in the boiler room of a museum. He knows that Atlantis was real, and he can get there if he has the mysterious Shephards journal, which can guide him to Atlantis. But he needs someone to fund a voyage. His employer thinks he's dotty, and refuses to fund any crazy idea. He returns home to his apartment and finds a woman there. She takes him to Preston B. Whitmore, an old friend of his Grandfathers. He gives him the shepherds journal, a submarine and a 5 star crew. They travel through the Atlantic ocean, face a large lobster called the Leviathan, and finally get to Atlantis. But does the Atlantis crew have a lust for discovery, or something else?

  • Set in 1914, young linguist orphan named Milo Thatch buries himself in books trying to unlock the secret to the destruction of Atlantis. Althouth his theories are ridiculed by his colleagues he is persistent in his dreams of one day discovering the lost isle. His dreams are realized when he is given a spot in an expedition, financed by a friend of his grandfather, to go in search of Atlantis following Milo's guide: The Shepard's Journal. But the Guardians of Atlantis await the explorers putting them in danger at every turn. And the deadly truth about Atlantis's demise puts Milo, the royal family, and all of Atlantis in mortal jeopardy.



The synopsis below may give away important plot points.


  • Milo James Thatch is a bright young man, who is in the employ of the Smithsonian Institution (as their resident maintenance man). Milo has been inspired by his Grandfather, who often spoke of finding the Lost Continent of Atlantis. Milo attempts to convince several of the top people at the Smithsonian to fund an expedition, but almost all of them think him crazy.

    Coming home one evening, Milo meets Helga Sinclair, who escorts him to the home of eccentric millionaire Preston B Whitmore. Preston claims to have known Milo's Grandfather, and presents him with a journal, that contains information about reaching Atlantis. Preston claims that he has a crew ready to go, but wants Milo to head the expedition. The young man eagerly accepts.

    The expedition takes them to the waters off the coat of Iceland, where a giant submersible takes them to the ocean floor. Milo cautions the crew that something know as The Leviathan may be guarding the entrance to Atlantis. It turns out that the Leviathan is a giant mechanical sea creature, that ends up destroying the sub. Luckily, Milo and some of the crew escape, finding themselves in an underground cavern.

    After braving several pitfalls and strange creatures, they finally make it to Atlantis, preserved in a sunken atmosphere. However, before they can approach, they are accosted by several natives, led by the King's daughter, Kida. Milo is soon able to communicate with the natives, and they soon reveal they know many different languages, including English. Kida leads the group into Atlantis, where she takes them to her father.

    Kida's father is not at all pleased to meet these strangers, and requests that they leave. However, a member of the expedition party named Rourke requests to stay one day, and is granted this request.

    After they are dismissed from the chambers, Milo explains that he feels the King is hiding something, and Rourke says he wants to know what. Milo is requested by the others to gain this information, and soon after meets with Kida. While Milo wants to know more about Atlantis, Kida is curious about the outside world.

    Milo shows Kida the journal, and also finds that the Atlanteans' crystals around their necks also function as a key that can animate stone objects with flight. Kida explains that their civilization has lost the ability to read their own language, but Milo is able to decode the text on sunken ruins under the city. According to the information, there is a crystal that connects to the necklaces worn by the Atlanteans, and is considered their 'heart.'

    Milo and Kida are soon accosted by Rourke, who it is revealed has come to Atlantis to find the crystal for monetary purposes. The others and Helga are soon found to be in on the scheme as well, and go to the King. The King denies any knowledge of the crystal's whereabouts, but Rourke soon finds a secret underground entrance under the throne room, where the enormous crystal is kept.

    As the group watches, Kida suddenly takes on a blue-glow in her eyes, and ascends towards the crystal. As they watch, the crystal fuses with her, making her a glowing blue figure.

    Rourke and the rest of the team bring the 'Crystal/Kida' above-ground, sealing her in a metal box. Though at first the others help Rourke, as Milo reasons with them, soon only Helga accompanies Rourke and the other soldiers out of Atlantis. As they leave, the crystal necklaces on the Atlanteans dim together.

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