Casey Newton (Britt Robertson), a bright, scientifically driven teenage girl finds herself in possession of a pin that whenever she touches, she's suddenly in a different place.

At first terrified by it, she grow exhilarated by the ability to visit this strange, new land and when the pin stops taking her there, she's disappointed.

She tracks down a jaded, former boy-genius scientist (George Clooney), whom she knows can get her back to "Tomorrowland" in order to discover its secrets, but as soon as she does, they're both attacked by forces who want to kill them.