The first Tommy and Tuppence mystery, including an all-new introduction by Agatha Christie expert John Curran Tommy and Tuppence, two people flat broke and out of work, are restless for excitement. They embark on a daring business scheme--Young Adventurers Ltd.--willing to do anything, go anywhere. But their first assignment, for the sinister Mr. Whittington, draws them into a diabolical, political conspiracy. Under the eye of the elusive, ruthless Mr. Brown, they find themselves plunged into more danger than they ever imagined.