And who first came up with the idea of ​​organizing an exciting game... with a simulated murder? It seems like a harmless pastime: someone plays the criminal, someone the witness, someone the detective. Oh, how intriguing! And at times, so terrifying it sends shivers down your spine! Along with other participants, the great detective Hercule Poirot and his friend, the writer Ariadne Oliver, play the 'murder' game with gusto. They play until suddenly, a real murder occurs...