When Geronimo Stiltonut and his fellow cavemice wake up to meteors falling from the sky and stomachaches, it is up to Geronimo to find the ancient shaman with a cure at the Cave of Memories.
It's almost time for the annual race to Bah?a de los Mosquitos to get cheese from Felicia Quesopocho but Geronimo Stiltonut might have trouble getting there on his lazy dinosaur.