Sometimes falling in love is by pure chance, sometimes it’s...not. When Gerry McMartin and Dan Williams meet, it’s like two halves of a broken magnet snapping together. Unfortunately, their personal cosmic thunderclap has awakened an ancient Celtic demon whose sole purpose is to drag them into Hell. To survive, they enlist the help of an opportunistic parapsychologist, a renowned linguist, a Native American Shaman and a skeptical therapist with a special power of her own.