Austria, 1945. Together with her young granddaughter, Grandmother lives in a lonely hut in the mountains, where one day she is surprised by two Soviet deserters and confronted with her prejudices against them.

15-year-old Mia faces an overwhelming transformation which puts her entire existence into question. Her body is changing radically, and despite desperate attempts to halt the process, Mia is soon forced to accept that nature is far more powerful than she is.