Low on fuel, Robby and Hatchi find themselves on Mulberry 8, a world where mechanical people are in charge and living beings are slaves. The two must learn to navigate the feudalistic society and adapt to anti-human discrimination.

The long journey thus far has taken a psychological toll, and when it is revealed that they may be turned away from Isekandar, pent-up tensions erupt between Robby and Hatchi. Yang and his crew bide their time on the planet Pinopendio.