Beautiful, young Elinor Carlisle stands serenely in the dock, accused of the murder of Mary Gerrard, her rival in love. The evidence is damning: only Elinor had the motive, the opportunity and the means to administer the fatal poison. Yet, inside the hostile courtroom, one man still presumes Elinor is innocent until proven guilty; Hercule Poirot is all that stands between Elinor and the gallows...