 Reuniting with Cat and Arnold Rimmer, Lister learns that "Starbug" has strayed into a Rogue Simulant hunting zone.Despite the crew's best efforts, the ship is discovered by a battle-cruiser of xenophobic simulants that despise humanity, and promptly capture the crew after they fail to deceive them.To the surprise of the group, the simulants upgrade their systems, weapons and armour, intending to battle them for sport, but managed to get destroyed by the crew through pure luck.