When Chuck Bartowski opens an e-mail subliminally encoded with government secrets, he unwittingly downloads an entire server of sensitive data into his brain. Now, the fate of the world lies in the unlikely hands of a guy who works at a Buy More Electronics store. Instead of fighting computer viruses, he must now confront assassins and international terrorists. With the government's most precious secrets in Chuck's head, Major John Casey of the National Security Agency assumes the responsibility of protecting him.