SUSSEX, ENGLAND, 1929. Mydworth is a sleepy English market town just 50 miles from London. But even in this idyllic spot, crime is never far away... Luckily the young and adventurous Sir Harry Mortimer has returned to Mydworth from his diplomatic posting in Cairo, with his unconventional American wife, Kat. And between them they are a match for anything - even murder. MURDER WORE A MASK Lavinia's annual Masked Ball at Mydworth...