An accomplished physicist has constructed a workable formula for one of the deadliest weapons on earth. After the theft of this formula and a suspicious murder, the stage is set for the legendary detective Hercule Poirot to get involved in the case. Poirot, along with the help of Captain Hastings and Inspector Japp, must figure out who committed the murder (or murders?) and stole the formula, as well as sort through the endless red herrings, subplots, and wonderful twists and turns in true Agatha Christie fashion. This mystery will surprise and delight all audiences!