简介
主要讲述了30年代初，日本在中国大陆的商贸活动想在河南一带开拓，此时不断有日资集拢而来，日本特务组织也经常流窜郑州秘密调查。日本人需要和当地商会合作，借它之名与日本东洋拓殖会社开办公司，为之后商埠开办垄断做准备，没想到一场你争我夺的家族间兄弟争斗由此展开。。When he learns his days are numbered old count Hervé de Kéraudren decides to hide in a secret alcove and to die there, just to annoy his heirs. As a result of his body not being found the latter will have to wait for five years until they can inherit the count's money. Very upsetting indeed, all the more as they are required to keep up the Kéraudren estate in the meantime. To collect money, nephews and nieces organize a Son et Lumière show at the manor while busily looking for the missing corpse. But, unexpectedly, they get killed in turns. Murders or accidents? Jean-Marie, his fiancée Micheline and his cousin Edwige investigate and finally succeed in exposing the culprit. And, the count's body being found by chance, all goes back to normal.。