In 1921, Marian Arnold, the heiress to a brewing baron's empire, seeks solace in the glass butterfly house on her family's Wisconsin estate as Prohibition and the deaths of her parents cast a long shadow over her shrinking world. When Marian's sanctuary is invaded by nightmarish visions, she grapples with the line between hallucinations of things to come and malevolent forces at play in the present. With dead butterflies as the killer's ominous signature,...