Hoping to distract the boy from the loss of his mother, his father takes him to his grandfather for winter fishing. But the family falls into a blizzard and is lost on the ice of the largest lake in the world. Love and the mysterious powers of Baikal will help them overcome grief and find each other.
The director of the orphanage, Andrey Mast, is fighting the lawlessness reigning there and introducing strict rules. The new pupil Inna opposes these rules and will seek justice in her own way.