Shirley Dobbins wants nothing more than to live a quiet life and become a head housekeeper at a prestigious house. So when she is invited to come work for the mysterious baronet Sir Joseph Hunting at his estate, she thinks it is the chance of a lifetime. However, from the moment she arrives things are not what they seem. As she becomes wrapped up in more of the baronet's radical science, she realizes something dark and otherworldly is loose within the estate. And if left unchecked, it'll claim the lives of all she holds dear.