A beloved Swiss robot is found blown into in pieces. Meanwhile, Europol robot inspector Gesicht investigates another eerily related murder.

Another horned corpse is found. Gesicht reaches out to Atom, the most advanced of the seven robots, to help analyze the serial murders.

After delivering Adolf Haas to a safe house, Gesicht looks into his past. Meanwhile, Hercules and Epsilon sense a mysterious threat approaching them.

Gesicht meets Abullah in Persia to further investigate the case, but detects a lie. He inches closer to the truth when he encounters a robot child.

Professor Ochanomizu closely monitors Atom's erratic behavior. Dr. Tenma confronts his past and the truth unravels, triggering a world destroying threat.