The young forester Walter wants to catch a dangerous poacher in the Lüneburg Heath. He pursues a man into the house of the landowner Lüdersen and meets his daughter Grete. Grete discovers that her father, who used to own the whole area, is the poacher. She asks him to move into town with her.
Walter can't catch the poacher. Chief Forester Schliepemann then has the whole area surrounded. The traveling trader Specht is arrested as a poacher. Lüdersen had surprised Specht and was fatally wounded by him. He dies putting Grete's hand in Walter's.