Paul Carpenter is an intern at a mysterious London firm with unconventional employers, including a CEO who wants to disrupt the ancient magical world with modern corporate practices.

Jack Irish is thrown into a world of club owners, drug dealers and killers when he is hired by a judge to find a mysterious red book.

The realm of magic is being threatened by the realm of logic, so Carolinus, the green wizard decides to shield it for all time. Ommadon, the evil red wizard, stands in his way. Carolinus then calls for a quest that is to be led by a man named Peter Dickinson, who is the first man of both the realms of science and magic. It is Peter's job to defeat Ommadon.