Episode 4: Professor Ochanomizu brings a battered robot dog home and attempts to fix it. Soon after, a mysterious man claiming to be the owner visits his house. Episode 5: After delivering Adolf Haas to a safe house, Gesicht looks into his past. Meanwhile, Hercules and Epsilon sense a mysterious threat approaching them. Episode 6: 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.