The Case of the Missing Grandma

While the parents are enjoying a cruise, Ilona spends her summer vacation at her grandmother's house in a cozy town with a huge park and a beautiful lake. But there is no one to play with here - all the children have gone away for the summer. But Ilona doesn't have time to be sad. A comet is rushing towards Earth, bandits are charging a space cannon, and any moment now, three talking raccoons - who are not raccoons at all - will emerge from the lake.....