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.。一对死党护送公司老板,亦即其中一人的老爸回家,却在汽车后备箱发现意料外的突发状况;另一方面,一名商人与他的合作伙伴为解决债务问题决定实施一场绑架,不幸的是阴差阳错之下绑架了自己的父亲。一系列乌龙事件将素不相识的两方牵扯到一起……。