Rimmer is abducted by the holographic crew of a Holographic space vessel, and he finds the vessel is perfect and the holographic crew members have super intelligence and Rimmer decides to join the crew, when he falls in love with crew member Nirvana Crane.
The red dwarf crew encounter the inquisitor, a mechanical lifeform who has made himself judge, jury and executioner of all of humanity throughout history. If he decides your life hasn't been worthy enough you are erased and replaced. Bad luck for the dwarfers.
After investigating a abandoned research complex on a ice planet. Lister, Cat and Kryten returns to Red Dwarf only to find Rimmer has been infected with an electronic virus and he has taken over Red Dwarf and Lister, Cat and Kryten have been sentenced to Quarantine for three months.
An experiment with a machine that can make duplicates of an object goes wrong and Red Dwarf explodes. Where the Red Dwarf crew find the machine has made two copies of Red Dwarf, both ships contains their good and evil selves.
The Red Dwarf investigates an ocean ship, The Esperanto, where they find the ship's crew have all committed suicide, and are attacked by a sea monster called The Despair Squid. Later they wake up to find they are not who they thought they were and have been playing an artificial reality computer game for four years.