When the Labyrinth Nightmare invades the audience's dream, Kamen Rider Zeztz, Nem, Five, Six, and Kamen Rider Nox work together to solve puzzles and battle the Nightmare while the mysterious Kamen Rider Dawn repeatedly interferes. After being pushed to his limits, Zeztz gains a new form through the audience's encouragement and defeats Dawn and the Nightmare, bringing the dream safely to an end.