Christopher Larkham finds an ancient Roman ring with an image of the Phoenix on the banks of the Thames. The ring glows, and the boy finds himself face to face with the Great Fire of London in 1666! Christopher will not only have to face London's dark past, but also deal with what is happening around him here and now. Who knows where Christopher will decide to stay: next to his loving mother in his own time or in the 17th century, full of secrets, eerie magic and obsessive fanatics?