Relatives and close ones gather for the funeral of a bachelor millionaire and divide the inheritance. Doctors have determined the cause of death as natural. However, the family’s lawyer is unsettled by a phrase uttered by one of the relatives: “But they killed him, right?” And the next night, the woman who said those words is brutally killed with an axe. The lawyer is at a loss. Of course, no formal announcement of the deceased’s last will can take place in such a situation. Finally, he comes to the conclusion that only the great detective Hercule Poirot can figure out the murderer among the many relatives…