Peter Mannion's speech on immigration, leaking the PM's policy, did not have the effect Tucker desired and now the PM is resigning, leaving the way clear for the Nutters and their leader Tom. Ollie has been promised a job by young Nutter Ben Swain, Tucker's assistant has encouraged Hugh's predecessor Cliff to stand as a stalking horse and Glenn is keen to keep Hugh in the frame whilst his boss is in Australia. Fortunately Tom has a dark secret which is just what Tucker is looking for but will it be enough?

Six weeks after the Gu'un aliens have invaded and completely conquered Earth, hapless Stewart becomes the Gu'uns' official human liaison who ends up saddled with alien Greggs for a housemate. Stewart must help the Gu'uns deliver their message to the masses and win favour with humankind, while also aiding the human resistance and managing his enduring crush on Elodie.