It was supposed to be the perfect summer. Carmen Sanchez is back in Mexico, supervising the renovation of an ancient abbey. Her daughters Izel and Luna, too young to be left alone in New York, join her in what Carmen hopes is a chance for them to connect with their roots. Then, an accident at the worksite unearths a stash of rare, centuries-old artifacts. The disaster costs Carmen her job, cutting the family trip short. But something malevolent and unexplainable follows them home to New York, stalking the Sanchez family and heralding a coming catastrophe. And it may already be too late to escape what's been awakened ...