Basedonafamousstageplayandsetintheyear1912,anuppercrustEnglishfamilydinnerisinterruptedbyapoliceinspectorwhobringsnewsthatagirlknowntoeveryonepresenthasdiedinsuspiciouscircumstances.Itseemsthatanyorallofthemcouldhavehadahandinherdeath.ButwhoisthemysteriousInspectorandwhatcanhewantofthembbb?