Dermot, Brian, Ruairí, and Ciara have been training for their role as the next generation of the coven of sorcerers known as the Dríacht. But their training will have to wait. War is upon Denú. Dark forces loyal to the evil sorcerer Taranis are on the rampage.

They make new allies, including Denú's royal family, one of whom seems familiar to Dermot. The Dríacht must now take different paths to save lives and uphold the people's morale. For Dermot and his friends, they will embark upon a series of adventures that will teach them what it means to be a dríadór.

Meanwhile, Taranis has enslaved Dermot and Brian's father. Will the brothers see him or their mother again? Before a tremendous battle begins, many secrets long kept deep shall finally surface.