In the ancient city of Växjö, a young woman, a police school cadet, was raped and strangled in her mother’s apartment. The killer fled the crime scene in such a panic that he forgot an important part of his toilet next to the corpse. The investigation is being conducted by a group of employees from the State Homicide Investigation Commission and local detectives who arrived from Stockholm. Versions arise and disappear one after another, a new crime has been committed, the entire police have been raised to their feet...