Childhood friends Tommy and Tuppence meet in London after having served in World War I. Recently "demobed", short of money, and with no job prospects, they decide to bee adventurers for hire. Soon, they are employed by the British Government to locate a secret treaty signed before the war.</p>...
When a private eye takes a case to find a missing university student, he must explore the deep dark depths of his own mind to uncover the truth around his own childhood disappearance as he tracks down the missing girl....