An old soldier helps a young boy find his mother, who's been kidnapped to the magical underwater kingdom in a remote Russian lake.
Georgi Millyar, Ninel Myshkova, Viktor Perevalov, Olga Khadhapuridze, Mikhail Kuznetsov, Anatoli Kubatsky, Vera Altayskaya, Aleksandr Khvylya
A soldier, who was just released, goes cheerfully his way with his drum. Suddenly, he meets two young bears. Desperately, they ask him for help, because their grandfather has fallen into a trap. The soldier can finally free the old bear from the trap. Full of thanks, the grandfather warns the soldier from the enchanted forest and its eerie inhabitants. A horrible monster is up to mischief there. In spite of all warnings, the soldier goes into the forest and meets the little Wanja, who is looking for his mother Marie, who has been abducted by a water spirit. The soldier feels great pity for the boy and wants to help him. They immediately begin to search for her but suddenly a giant appears to them, who turns out to be the ruler of all the moors, marshes and waters.