An unusual fantasy detective story for children and teenagers about how to return missing parents and save the world!Everything went on as usual, until one day the adults began to behave too suspiciously, and then disappeared altogether... Kurt is an ordinary schoolboy who lives with his parents and grandmother, goes to the hapkido section and dreams of one day creating the best computer in the world. When strange events begin to happen in the city, Kurt makes friends with a classmate who keeps a diary of observations of everything that happens, and a classmate who recently could not communicate with others without special signs. Soon they will be the only ones in the city who have retained their sanity, and therefore the ones who can save the world!