Lister is in bed with "space mumps" when he hears the news that the gang has brought aboard a cryo-pod from a prison ship which possibly contains a guard named Barbara Bellini. Lister inspects the pod and begins the thawing process, which Rimmer objects to, saying that there were two survivors aboard the ship: Ms Bellini and a Simulant prisoner (Simulants are droids who are noted to be murderous and insane). Since it is too late -- they cannot stop the thawing process -- they decide to travel to the prison colony that the ship was heading for. They arrive on the space station and walk through a white light which Kryten says is a mind probe to seek out any unpunished criminal activity. Lister gets very edgy and confesses that he had committed some minor crimes as a teenager. The justice computer passes his verdict on them: Kryten and Cat get off, Lister does so, but barely. Rimmer, however, is sentenced to 9000 years in prison for the second degree murder of the Red Dwarf's compleme