After an argument, Z-Blob refuses to follow Mateo back into the waking world, inspiring them to take two very different journeys of self-discovery. While spying on Dreamsmasher, Mateo takes Z-Blob for granted, causing Z-Blob to refuse to go back to the waking world. Now irked and on his own, Mateo tries to find a school club to join to prove he doesn't need his friend. Meanwhile, Z-Blob goes on a pranking spree when he joins Sneak and Zian's mischief-making crew. Unfortunately for them, mischief is exactly what Dreamsmasher seeks to destroy.