A mysterious figure emerges from London's perpetual fog and insinuates himself into your home, settling uninvited into your bathtub and gradually making a nuisance of himself through scattered crumbs and spilled beverages. As this enigmatic visitor establishes himself in your space, you must decipher his cryptic intentions and find a way to convince him to depart. His obsession with chess becomes central to understanding who he is and what has drawn him to your residence, presenting both a puzzle and a potential key to reclaiming your solitude.