The grand finale of the Dreamwalkers, thrillingly and magically told – also for children who find reading challenging. The dreams of people are in danger! The dream machine is on the verge of collapsing, and eerie dream figures are invading Finn's world. He travels with Linus and Sanja to Dunkelion to stop the nightmare ruler Mrak. But how much longer can the professor in Bookstrand defend himself against the dark hordes? Every second counts.