A witch's familiar must protect London from the monsters that lurk in the shadows; the creatures that seek to unravel the fabric of things and send a city to Hell. Stella Familiar was created by the London Coven out of spit and blood. She's a fighter, a blunt instrument, built to destroy the forces of evil and keep peace in the capital. She's carried out her duty for decades, but when the witches who gave birth to her are butchered, it's up to her...