|   Dementia 13 (1963) John Haloran has a fatal heart attack, but his wife Louise won't get any of the inheritance
                                          when Lady Haloran dies if John is dead. Louise forges a letter from John to convince the rest of his
                                          family he's been called to New York on important business, and goes to his Irish ancestral home, Castle
                                          Haloran, to meet the family and look for a way to ensure a cut of the loot. Seven years earlier John's
                                          sister Kathleen was drowned in the pond, and the Halorans enact a morbid ritual in remembrance. Secrets
                                          shroud the sister's demise, and soon the family and guests begin experiencing an attrition problem. -
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