Childho□d □rie□ds□Tommy a□□ Tuppence □eet □n Lond□n a□ter havi□g served in Worl□ War I. Recently &q□ot□de□obed", short of □oney, □n□ wit□ no□job prospects, th□□ deci□e □□ be□ome adv□□turers f□r h□re. S□o□, they□□re employed by the Bri□□sh Gov□rnment to□□o□ate a □ecret t□eaty s□gned befor□□the □a□.