A graphic novel for children by the Mammal Research Institute of the Polish Academy of Sciences. It is the year 1919, In Białowieża Primeval Forest, the last European Bison dies, killed by a poacher... or was it the last one? Indeed, a single small bison survives. He does not have a name yet and knows only a little about life in the forest. In search of other bison, he begins his journey to the legendary Heart of the Forest. He cannot even guess what forces fight for his future...