Like the sound of the reeds when the wind drives in and makes its stalks billow - that's exactly how it feels for Pia, who loves her brother Lukas. She spends a day with him at the lake. Lukas, however, knows nothing of her love. He begins to suspect what is going on inside his sister. But then his new girlfriend comes along - his first great love...

Wildlife ranger Sara Jahnke prefers to live in the solitude of Canada's forests rather than among people. In her home in Brandenburg, with her father Robert Jahnke and her grown-up daughter Julia, she can only manage for a limited time. Shortly before her return to Canada, Sara is commissioned to track down and remove a wolf that has become conspicuous. When she finds the body of a Romanian seasonal worker, an outrageous suspicion arises. Is Silvana the first victim of a fatal wolf attack in several hundred years?