一副神秘的画卷里隐藏着楼兰古国的宝藏，两个贪婪的海盗一心想要得到宝藏，四个勇敢的少年被莫名地卷入楼兰古国的预言风波中。异邦人的追杀、变化万千的莫高窟、飞天魔女图的谜底……楼兰古国的宝藏究竟是什么？

A village is plagued by a spate of seemingly accidental deaths, but Miss Marple is convinced a more sinister hand is involved when a villager on her way to Scotland Yard is conveniently dispatched.