Yesterday in Panama, ten masked gunmen assassinated the vice president of the United States. The only clue to find them is an encrypted message that nobody can decode.
Not even expert hacker Tanner Stone.
But when it seems that the key to cracking it lies in Guatemala, Tanner and his family quickly find themselves on a last-minute vacation—an undercover mission to locate an ancient cipher! What they discover there may entangle them in the deadliest plot ever against the United States.