An "old dark house" mystery about our war on facts. It's 1931 and Dorrington, America's most brilliant detective, is trapped on an island with some of the country's most elite socialites. As the evening wears on and backstabbing plots are revealed, Dorrington becomes convinced that the house is under siege by Diabolicus - a master criminal that no one has ever seen, Dorrington realizes that he must do whatever it takes to convince the others that Diabolicus is responsible - even if he doesn't even exist.