 During the dinner, Archie learns from one of the unwed mothers that another, Faith Usher, has a bottle of cyanide in her purse; Faith has been suffering from depression, and her friend fears that she might attempt suicide.Archie promises to watch over her, but towards the end of the evening Faith collapses and dies from cyanide poisoning after drinking a glass of champagne.Alone of the guests, Archie maintains that Faith Usher did not commit suicide, claiming that he observed her constantly throughout the evening and that she never had an opportunity to pour the cyanide from her bottle into her glass.