Sylvie adores her lifelong hobbies. Stealing, maiming, and killing are just a few of her joys. She spends her time in a secret shack where she soaks up arcane knowledge and performs vile acts. Her life is perfect until she becomes deathly ill. Determined to keep her malevolent powers, Sylvie turns to the occult. She collects obscene ingredients and performs a diabolical ritual. Bridgette and Tom are young, married, and in love. Their lives are perfect until Tom finds a mysterious letter issuing a deadly warning. Unknown to them, an ancient, malicious power has been unleashed in their midst. They’re plunged into a world filled with arcane books, shadowy beings, and ghostly apparitions. As their lives unravel, they desperately search for a way to stop the effects of the ritual. But they’re up against a horror as powerful as it is evil. A horror named Sylvie.