PresentedbySiobhánMcSweeney,theIrishspin-offoftheglobalphenomenonpits22strangersagainsteachotherinaremotecastle,wheretheymustplayagameanimaginativegameofstrategy.Thetwist?Someplayers,knownastheTraitors,aresecretlytaskedwitheliminatingtheircompetitorseachnightwithoutbeingdetected.