As every night, Kyra ＆Nael are flying over the village, scrutinizing the house roofs to make sure that sleepers' dreams do not turn into uncontrollable nightmares. Suddenly, a strange nightmare pops out of the blue... Time for a challenge : each dream watcher has the power to change the nightmare into a beautiful dream, but who will succeed first? Trying to chase the twirling nightmare, they inadvertently lead it to a sleeper's room. The nightmare starts to transform all the dreams crossing his way. A huge mass of nightmares spreads through the village. Caught up in the chaos, Nael and Kyra will have to join forces and transform back all the nightmares into dreams again.