Normal boy Mateo realizes he's the defender of dreams against Nightmare King. He faces creatures from dreams crossing into reality, questioning what's real.

Mateo is a completely normal boy who one night realizes that he must assert himself as the defender of dreams against the Nightmare King and his nasty machinations. But are his dreams really just dreams? Because in the morning, creatures from Mateo's dream are suddenly reality and a lot else has changed.—Super RTL