Bauhaus killer

The bizarre Super Hacker, computer criminal, threatens the destruction of all the works of the Metropolitan Museum if he is not paid the sum of one million credits. The museum managers request the intervention of Nathan and Sigmund, who discover and capture Super Hacker, aka Igor McNally. But McNally is the only one who knows the way to stop Bauhaus Killer, a serial killer who targets famous artists, and will reveal the system to arrest him, provided he is set free...