In the 17th century, John Dee will succeed in contacting entities of the higher worlds. For centuries, the son of Sephiroth community and the heirs of John Dee, formed in the shadow of generations of wizards can do magic after the Kabbalistic tradition. Their sole aim is to ensure that the experience of Dee can never be reproduced. But some members of the Brotherhood have strayed from the right way to practice the invocation of demons. Stand in front of them, Uriel and Gabrielle, two students of the son of Sephiroth. They will have to protect Michael Stern, a mere human being to medium capacity needed to travel between planes in the flow chart. Begins a battle unprecedented stake is the very existence of humanity ...