The film is set in a remote mountainous region of the Klodzko Valley in south-western Poland, where an eccentric elderly woman, Janina Duszejko, lives with her two dogs. Her dogs disappear one day while she is giving a local woman, nicknamed Dobra Nowina, a ride to the store. She confronts her neighbor who she calls "Big Foot," a notorious poacher in whose traps animals die in agony. One night she is awakened by Matoga, another neighbor, who informs her that Big Foot is dead. Duszejko is questioned by the local police chief, to whom she makes complaints about her missing dogs which he dismisses. After seeing Duszejko, the police chief meets with Wnetrzak, a local businessman, who gives the chief an ultimatum about money the chief owes him. Duszejko complains to the local priest about the loss of her dogs but she is chastised for being blasphemous to treat animals like humans. Disturbed by the local hunting activity and the killing of animals in the area, she attempts to interrupt a local hunt but is stopped and humiliated by Wnetrzak.In the winter, she and Dyzio, an IT expert working for the police, see the police chief's abandoned vehicle at night and discover the chief's body nearby. He is dead from a blow to the head and there are animal tracks near the body. Questioned about the body by the prosecutor, who is Matoga's son (Tomasz Kot), she talks about the tracks she found and her theory of astrology. The prosecutor dismisses her theories. Duszejko befriends Dyzio and Dobra Nowina, who now works for Wnetrzak in a shop by day and in a brothel that Wnetrzak runs by night. Dyzio is thankful to Duszejko for keeping his epilepsy a secret or else he would lose his job. Dobra Nowina has a younger brother who is being abused by their father and has attempted to gain custody of him but learns that Wnetrzak has reported her as unfit twice. Later Duszejko discovers the body of a young boar and attempts to report an off-season killing of the animal but is laughed off by the police.In the summer, Duszejko meets a Czech entomologist, Boros Schneider, in the forest. He has discovered Wnetrzak's body which has been in the forest for months and reports it to the police. Duszejko and Boros begin a romantic relationship and Boros explains to her about pheromones that attract certain beetles. Duszejko is questioned by the prosecutor about Wnetrzak's death. She proffers a theory that the victims were killed by animals since they were all hunters. Dobra Nowina is arrested for Wnetrzak's death, because of threats she made against him. With Matoga, Duszejko goes to a costumed ball attended by all the locals. She sees the drunken mayor Wolski abusing his wife, telling her to wait in the car while he continues his partying. Duszejko comforts the wife and tells her to go home and that she will look after Wolski and make sure he gets home.The next day police show up at her place and arrest her for Wolski's death, because she was the last one to see the mayor alive. She says that she did go to look for the mayor that evening and, since nobody knew where he was, assumed someone else took him home. She then explains her theory of astrology to the police who get flustered at her and releases her. She attends a church service and, very upset by the priest's sermon which gives thanks to the hunters, is removed from the church. While outside the church, she sees a magpie carrying an object to the church tower (earlier she had said magpies start fires by carrying lighted cigarette butts to their nests).Duszejko then has a flashback about the death of the police chief. She was the one who killed the police chief by striking him on the head when she accidentally came upon him while skiing. After making animal tracks around the body, she rushed home and attempted to flee but her vehicle would not start. There is another flashback where she lures Wnetrzak to the forest using a ruse about money she had found and she strikes him on the head until he dies, after which she goes to his fox farm and releases all the animals.Dyzio, who is with Dobra Nowina, recalls that the mayor's body was covered with beetles and that Duszejko would carry pheromones that attracted the beetles. Dyzio then reasons that Duszejko was responsible for all the deaths. When Dyzio learns that the church is on fire and the priest is dead, he goes with Dobra Nowina to see Matoga and finds him sitting with Duszejko at her kitchen table. They hand Dobra Nowina a photo which shows all the local hunters displaying the spoils of a hunt, which included Duszejko's two dogs. Duszejko said she found the photo at Big Foot's place after his death. Duszejko then recounts the death of the mayor, who she found alone and very drunk after the party. She confronted him about shooting her dogs and he admitted it but said he didn't know they were her dogs. She tells him to drink the pheromones she had with her and then walks him into the forest under the guise of taking him home.Matoga, Dyzio and Dobra Nowina decide they will help Duszejko and manage to sneak her out of town. The police are on to Duszejko and are out in full force in an attempt to arrest her. Dyzio uses his IT skills to cut the power to the town, which allows them to escape. In the final scene, Duszejko with two new dogs, Matoga, Dyzio, Dobra Nowina, Dobra Nowina's little brother and Boros are all having lunch happily at a house in what is probably a neighboring country.