Hercule Poirot’s Christmas is interrupted by news of a gruesome killing. Retired multimillionaire Simeon Lee, infamous for his foul temper and his ability to hold a grudge, has been murdered in a locked room in his stately home, where his estranged sons and their wives are gathered for the holiday. Colonel Johnson, who figured in Murder in Three Acts, brings Poirot in on the baffling case.
Along the way, some surprising facts about the murdered man and his family come to light. Poirot faces a challenge compounded by the fact that nearly all of the family members and servants had a motive to kill.
Poirot’s personality is a bit tempered in this case, but the complicated situation makes up for it in what turns out to be an ingenious, and unexpected, solution.