Charlotte Sänger has to do the work without her colleague and works overtime. She investigates a series of bank robberies, the perpetrators of which are extremely brutal. When homicide detective Fromm sends the completely overworked singer home, she accidentally witnesses a shootout on the street: Suddenly she is confronted with a young, drug-addicted woman with a gun drawn, but Charlotte cannot shoot. It is only thanks to the well-aimed shot of a patrol officer that she survived - but in reality the girl only had a blank pistol and went to her death with her eyes wide open.
Because of doubts about her suitability for service, Charlotte is given a leave of absence by Fromm, but she cannot leave the matter aloneto let. She searches the drug addict's apartment and stumbles upon a clue that leads her to a mysterious group of women who train at the shooting range. The leader of the group, Jule Fischer, invites Charlotte to a peculiar "competition": the women recreate duels true to the original – with sharp weapons. Charlotte gets more and more involved with the charismatic Jule. But when she notices on one of the surveillance videos of the series of bank robberies that the perpetrators move like women, she has her first suspicions. And when the patrolman who shot the young drug addict is found murdered, it becomes clear that the women have become trapped in a dangerous cycle of violence and retribution.