about a supposed stowaway on board Ijon Tichy's spaceship, who turns out to be a maintenance robot after Tichy sets a trap for him. However, the missile crashes onto an alien planet before the robot can take control and fly it to a workshop. On this planet, the maintenance robot and the key to the spaceship are unfortunately eaten by a wild Kulupp, which is why Tichy has to go hunting for Kulupp.