Benighted tells the story of Philip Waverton, Margaret Waverton and Roger Penderel, who are forced to take shelter one stormy night in the sinister house of the Femm somewhere in Wales. The benighted travellers drink, talk and play games to pass the time while the storm rages outside. But as the night progresses and tensions rise, dangerous and unexpected secrets emerge. Which is more deadly: the apocalyptic storm outside the house or the unknown horrors that await within?.