Mary Ellen McKay returns with her American fiancé, Michael, to her childhood home on the windswept Solway Firth, where her Aunt Jeannie raised her. Soon after arriving, they take part in one of her aunt’s regular séances, unknowingly inviting a sinister force into their lives. Then, on her wedding night, Ellen’s dreams are invaded by a monstrous presence, and as the terrifying visits continue, she discovers she is pregnant, leaving her tormented as she unravels the terrifying link between the séance and her quickening child.