The Far Eastern, or Amur, leopard (Panthera pardus orientalis) is one of the rarest subspecies of the cat family. Today the Far Eastern leopard is on the brink of extinction. With the example of Far Eastern leopard our film is discussing what is going on with biodiversity in the world, what are the key challenges humankind is facing today in this sphere. Are we facing sixth extinction? And what are the key features of humankind which can help to avoid that?