They called it Enigma Machine. During World War II, the Nazis used its sophisticated electronic mechanisms to encrypt their most sensitive communications. Now, in present -day America, a grad student named Casey Williams has stumbled across one of the last Enigma-encrypted files that has her running for her life. The secrets it holds are the keys to uncovering Nazi spies hidden in the highest levels of U.S. government to this day – and a far-reaching plan of global domination that's still in effect. Can Casey decode the cipher in time to save herself – and her country?