An old soldier helps a young boy find his mother, who's been kidnapped to the magical underwater kingdom in a remote Russian lake.

Cast:Ninel Myshkova, Viktor Perevalov, Mikhail Kuznetsov, Anatoliy Kubatskiy, Olga Khadhapuridze, Georgi Millyar,

Genre:Family, Fantasy,

country:Soviet Union,

Production:Gorky Film Studios,