Enraged, a teacher murders a young female pupil. Over the years, another boy is bred for one sole purpose: to avenge his sister’s death.

Girl Aya arrives at the sanatorium, and slowly sinking into the interweaving of complex human relationships, taking a pain and suffering of patients...

The action takes place in the late 1940s. A large-scale land-surveying research is underway in a remote area of Eastern Siberia. The work had almost...