Andy and his best friend Jack are in a major pickle. Not the sort of pickle that’d go down well with a fine slice of cheddar, but the sort of pickle which could lead to their early, and decidedly bloody demise: The Earth has been invaded by evil aliens hell-bent on settling some sort of mysterious score with humanity. Andy, being a science fiction nut and general idiot, is as happy as a dwarf who’s just discovered platform shoes. Jack, who has a mortal fear of zombies (Yes, there are zombies too), isn’t quite as pleased... Battling numerous green monsters and a chorus-line of zombies, Andy and Jack have to get to the bottom of this mystery, if only so they can go back to bed.