John is a superb linguistic scientist with a loving spouse and daughter however with a large hole in his life. Eight years in the past, he turned up out of nowhere, with no recollections besides a recurring dream. He's despatched tumbling down the proverbial rabbit gap after assembly a person that shares an analogous situation and studying that there are extra like him, all amnesiacs with extraordinary skills. He convinces his brother-in-law, non-public investigator Carl, to assist him uncover his true id earlier than his previous can rise as much as destroy him and his household.