Two brothers, Till and Mitty, who live in the forest, are looking for a blue bird that represents happiness under the guidance of the fairy Bernina. On Christmas Eve, the two brothers and sisters put on magical hats, turned the magic diamond, and went to the Land of Memories, the Palace of Night, the Garden of Happiness, the Island of Pleasure and the Future Kingdom respectively to look for the bluebird, but they kept passing by "happiness". A year passed in the blink of an eye (the time they experienced was actually just one night), the time limit was expired, and the dogs, water, fire, bread, sugar, milk, and greedy cats that accompanied them also changed from elves back to ordinary things. However, they never completed the task, so they returned home sadly, but they were surprised to find...
