You are David Lister, the last human being alive, three million years out in space, and weirdness is what you normally eat for breakfast. There is no 'normal' when you're your own parent, was impregnated by your alternate universe self, have clandestine affairs with vending machines and once ate a palatable Pot Noodle. This morning, however, something seems off about the ship and your crewmates, even by Red Dwarf standards...