Una manana varios ninos realizan un hallazgo macabro. Del techo del gimnasio de su escuela cuelgan, con precision matematica, cinco cadaveres mutilados. El escenario recuerda una ejecucion publica. El inspector jefe de la policia de Copenhague, Konrad Simonsen, debe interrumpir abruptamente sus vacaciones en la costa danesa para dirigir la investigacion. Junto a su equipo, Simonsen trata de resolver unos crimenes cuya espectacularidad y escenario tienen en vilo al pais. / One morning several children discover a macabre find. From the ceiling of the schools gymnasium are hang, with mathematical precision, five mutilated corpses. The setting recalls a public execution. The chief inspector of the police of Copenhagen, Konrad Simonsen, abruptly interrupts his holidays in the Danish coast to lead the investigation. Along with his team, Simonsen tries to resolve some crimes whose spectacular turns and settings keep in suspense at the whole country.