The girls of St Lucia Convent are dying mysteriously—and their deaths may be related to a student suicide committed years before.St Lucia修道院的女孩神秘死亡，而且她們死亡和多年前一個(gè)生的自殺相關(guān)?
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 become adventurers for hire. Soon, they are employed by the British Government to locate a secret treaty signed before the war.
