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.

As a diplomat, Andrei Sannikov was instrumental in Belarus' nuclear disarmament in the 1990s. Under dictator Lukashenko, he resigned from the civil service and began the fight for a democratic Belarus, which cost the lives of companions and landed him in prison for a time.