27 October 1750: A boy runs breathless on a dark autumn night. The letter Bishop Matthews' deacon has to deliver to Arthur William Harrington, an aristocrat and secret member of the Ambactus Danu sect, contains news that could upset the peaceful existence of the Greystone people. A terrible and evil force is awakening and threatens to bring death and terror on the night of Samhain. To prevent evil from reaping its victims, the four masters will...