Fifteen years ago, siblings Coil and Cassiopeia suffered an incident in the woods behind their family home. An incident that neither of them are willing to remember. Something that nearly killed Cass and left Coil accused as her abuser. An act that robbed young Coil of his artistic potential, yet boosted his little sister into an almost overnight sensation in the art world. Now, the self-exiled Coil has come home to deal with his world-famous sister as she suffers from sundowning, severe and violent personality shifts after the sunsets. Coil's reluctant loyalty to his family is rewarded with an unexpected return to his artistic roots, as he wakes each day to find he has painted a brilliant but disturbing masterpiece in his sleep. As the siblings struggle to heal old family scars, something is reaching out to the small town of Ellenville, driving the townsfolk mad and leaving chaos, mayhem, and death in its wake. And, the key to stopping the madness lies in Cass's sundowning and Coil's blooming talent...