Cadet Malover Kane is doing an internship at the third police station in the northwestern district of the city of Aghion, attending lectures and striving to receive an increased scholarship in order to move out of the barracks. But at one of the crime scenes, he finds a strange object that reveals to him the other side of the world - a side full of monsters that hide in the shadows. The action takes place in the world of Tallerium, the level of development of the 40-60s of the twentieth century.