Chyornaya kuritsa, ili Podzemnye zhiteli (1981)

In the St. Petersburg board for Alyosha life has begun new, without habitual parental attention. Being homesick, the boy has created in the imagination the fantastic world of underground inhabitants - with a secret, the king and citizens very similar to the people surrounding him. Without having managed to keep the secret of underground inhabitants in real life, Alyosha has lost them forever.