The story of the woman who fought to protect Europe's oldest forest.

Ida, the grandniece of Simona Kossak, travels to the Bialowieza Forest at the Polish-Belarussian border. Sorting through the photos left by Lech Wilczek, Ida uncovers the life he had with Simona, captured in the photographs, footage and memories. A moving and powerful documentary about the life of Simona Kossak, a biologist, ecologist and activist known for her efforts to preserve the remnants of natural ecosystems in Poland and for living among the animals in the Białowieża Forest for over 30 years.