Grans dead. Berthe is no longer. Armand had vaguely forgotten his dear old grandmother…
A druggist, he works with his wife Hélène in Chatou. Armand hides his magicians props in a medicine draw because he is secretely preparing a show for the birthday of… his mistresss daughter. And now theres dear and dead gran? Should she be buried or should she be incinerated? Who exactly was Berthe?