Ancient Irish myths come alive in dark and sinister ways in the small town of Green Hollow. Miguel finds himself uprooted from his previous life when his husband must adopt his niece and nephews and move from New York to a small town in Massachusetts. When they arrive at the old Kavanagh manor, they find themselves center stage in a curse that plagues their new home, and a secret that the town has tried to conceal for generations. With help from the quirky residents of the town, and a push from an unknown source, Miguel and the kids come face to face with an ancient evil. They must work together to uncover the deadly past of Green Hollow while learning what it means to be a family.