A high-ranking member of a secret organization that battles supernatural forces wakes up in a London park with no memory, no idea who she is, and with a letter that provides instructions to help her uncover a far-reaching conspiracy.

Lynette Binns, a new recruit to the Checquy, the most powerful supernatural intelligence agency on Earth, is accused of going rogue, goes on the run to clear her name, and discovers the mystery of her own past lies in the covert actions of three women of the Checquy during the London blitz in World War II. September, 1940: Three women of the Checquy, the secret organization tasked with protecting Britain from supernatural threats, stand in the sky above London and watch German aircraft approach. Forbidden by law to interfere, all they can do is watch as their city is bombed. Pamela suddenly breaks all the rules and brings down a Nazi bomber with her bare hands. The three resolve to tell no one about it, but when charred corpses are discovered in nearby houses it becomes apparent that the women have unwittingly unleashed a monster. The present: Today. Lynette Binns is a late recruit to the Checquy, having discovered only as an adult her ability to electrify everyday objects with her touch.She is assigned to examine a string of brutal murders of London criminals and quickly realizes that all bear the hallmark of her own unique power. Unable to provide an alibi, Lyn becomes the prey, tracked by her own comrades. -- adapted from jacket