On a ledge of a rock, in the middle of a mystical forest from which it is impossible to escape, there is a dying village. Residents here, one after another, mysteriously disappear: silently and without a trace. Only in one house where the boy Moon and his mother live, hope glimmers. They try not to succumb to the oppressive influence of the forest, but one day their mother disappears. Moon immediately goes on a search. The boy's hope is his inventive mind and a magical city, which, according to legend, is located in the wilds of a mysterious forest...