Alex Verus, the soothsayer magician, has still not chosen a side in the occult war of Black and White magicians. He tries to avoid the attention of the secret world of witchcraft, but a series of events forces him to take on a new investigation. An extremely dangerous artifact falls into the hands of a student friend, Alex, and magical creatures begin to die in London as a result of a terrible ritual. Soon it will be the turn of people endowed with magic...