Seventh-grader Ilham comes on vacation to a mountain village to visit relatives. Seriously, but on the most fundamental issues of life, the boy does not find a common language with the staid, extremely self-respecting Uncle Azim. He meets the sorcerer Hamrakula-buva, who sacredly protects an old tree from death, on which, back in the thirties (the childhood years of his son, who did not return from the war), the children organized the headquarters of the Timur team. Ilham understands the old man well, helps him take care of the tree, bring out a new variety of blue rose, which his son dreamed of growing, and does not consider him a sorcerer at all.…