The amazing adventures of the boy Ilya in the underground kingdom of Rutabaga. Not listening to the warnings of his beloved grandmother, the boy goes to the rutabaga field at night, where he meets Bree the rutabaga. Fleeing from winged creatures and other enemies of the Dark Lord, friends travel through Rutabria to the magic emerald, meet support, and help each other. Together with other heroes, they visit the Great Rutabaga Library, the Ancient and Northern Cities, and the Throne Room. The magical power of trousers helps them in difficult situations. A good story of the fight against evil tells about true friendship and love.