Rimmer is giving Kryten a driving lesson in Red Dwarfs Starbug and they end up going through a time hole in space. Kryten and Rimmer then land on a parallel Earth where the time stream flows backwards. Dave and Cat go in search of them.
When Holly believes a disaster is about to occur, she calls a "Abandon Ship". Lister and Rimmer end up crashing one of the Starbugs on a ice moon with limited supplies and nothing but ice outside.
A genetically engineered shape changing creature comes on board and starts sucking the crews emotions out of them one by one.
A skutter goes berserk and rewires all the ship's circuitry. So when Lister orders a chocolate bar from one of the snack dispensers, he accidentally triggers off the ship's self-destruct sequence. There is only one way to diffuse the bomb, but it involves Lister lending his body to a female officer. This gets Rimmer thinking...
The crew of the Red Dwarf run amok through history, blithely ignoring the consequences of causality. When Kryten discovers some mutated developing fluid which prints photographs the crew can walk into, they find they are able to change their pasts.
Kryten discovers his built-in expiry date is almost up and he has less than twenty-four hours to live. The crew are determined to give the mechanoid the best night of his life. For the first time, he experiences true pleasure and wants to delay his ascent into Silicon Heaven, the resting place for all electrical appliances. Then his replacement shows up..