Hugo has moved to a new city. In a thrift store, he finds a mysterious VR-like mask, which he takes with him. On his way home, he bumps into Storm - the bully that Hugo has nightmares about. Hugo escapes into a cellar, where he meets the girl Freja, and together they go under the sea.
Hugo decides to try on the mysterious mask. It turns out that it is a special dream mask, and suddenly Hugo is trapped inside his own dream, where he e.g. meets his tormentor Storm. Freja tries to wake him, but to no avail. I wonder if it will work, Hugo
Freja and Hugo find out that with the dream mask they can take things from reality into their dreams. So Hugo's mobile can suddenly transform into a magical gadget that can make dogs talk. In Antikland, Vix overhears her mother talking to a secret press
Storm tries to beat Hugo and Freja, but the two friends just manage to escape. Hiding in Hugo's room, the two plan to take a gun into the dream to get at Storm once and for all. Will Hugo succeed in shooting Storm inside the dream?
Vix desperately searches for Hugo as she has to get the mask back in place before her mother finds out. She finally finds Hugo and Freja in their hiding place in the basement, but someone has followed Vix and is watching the three.
Inside the dream, Hugo is suddenly faced with a gigantic version of Storm, which he must fight with his wild gun. Meanwhile, Freja and Vix sit in the cave in the basement, where they try to help Hugo. But suddenly Storm appears in the basement and steals the mask.
Storm uses the mask, but Hugo, Vix and Freja steal the mask back and try to put it back in Antikland. Will the friends succeed in getting the mask back in place without Merete discovering anything? And what about Storm?
Inside the dream, Storm is the world's best basketball player. He refuses to come out, and Hugo and Freja cannot force him. They seek help from Merete and Vix in Antikland, but when they return, Storm has disappeared.
The friends face a huge challenge when Storm is suddenly trapped in the dream world. They try to get Storm out, but getting him back is harder than expected.
Storm is scared as he can't get out of his dream. At the same time, the dream mask becomes more and more overloaded. But Hugo gets an idea that might get Storm out.
Storm must try to dream a friend rather than get out of the dream. He dreams up a version of Hugo, and together the two must now find the border between dream and reality.
Inside the dream, Storm and Dream-Hugo reach the limit. And together they must jump over an insanely dangerous abyss. But something creeps out of the dream.
In the basement, Hugo finds a copy of himself. But there is something mysterious about him. Hugo gets the idea that he wants to prank Freja and let the dream copy meet her.
Dream-Hugo turns out to be very difficult to be with. Vix warns Hugo that dream copies can be deadly in the real world, but maybe it's already too late?
Hugo, Freja and Vix decide that the dream copy must return to the dream world. But Dream-Hugo has run away, and while Freja carefully sneaks up on the copy, Hugo must convince Storm that he must try the mask one last time.
Hugo has to hunt in a dream for a magical dream catcher who, according to the book, can hold the dream copy. But suddenly Freja calls and says that she has lost Dream-Hugo.
Dream-Hugo steals the mask. He managed to get another copy out, and the two plan to take over the world with EVEN more copies. Will Hugo and Storm manage to stop the copies before it's too late?
Hugo, Storm, Vix and Freja are faced with a menacing copy of Hugo, which protects the basement room. The four friends must quickly come up with a plan to avoid millions of copies suddenly taking over the world.