A young woman named Macallan Orsel is a genetic scientist living in New York City.  She and her research partner James Saltzer are searching to the answer to human longevity.  While working in her laboratory, she is urgently called to come to the bedside of her ailing grandmother Amelia Orsel who has been suffering from a mysterious disease causing her to experience strange hallucinations and hear voices calling to her.  She keeps repeating the word "Leviathan" which has no meaning to Macallan.  After watching her grandmother fall asleep, Macallan decides to spend the night in her grandmother's grand apartment and during the night makes an astounding discovery.