The little dragon Coconut, the hedgehog Matilda, and the greedy dragon Oscar have lost their voices because they just heard that the world will be destroyed in a few days! Of course, the three friends don't sit idly by waiting for the end. They want to find out if the prophecy is true. Chrysmax, the wise fortune-teller of the island, believes that they will find the answer in a forbidden temple high in the mountains. And so they embark on one of their most adventurous journeys.