This is an action-packed fantasy story involving Merlin, the great magician, conjurer, and sorcerer, Arimus, his first-born son, and Annalease, Arimus' wife. The story includes magical lands with elves, dwarfs, hobgoblins, fire-breathing dragons, and a sea serpent named Nicolai.
The action takes place in AD 600, when a battle ensues between the good (including Merlin) and the dark side including Raath, the daemon king, and Morovan. Merlin, Annalease, and Belka, the chief of the witches, are captured and imprisoned in Morovan's castle, and others from the good side set out to rescue them.