In "Wallace & Gromit: Vengeance Most Fowl", Wallace invents a 'smart' garden gnome, leading to unforeseen consequences when it begins to take on a life of its own. As events unfold, it is revealed that Feathers McGraw, a nemesis from their past, is manipulating the gnome for his own revenge. Gromit must uncover the plot and thwart McGraw's schemes to save Wallace and secure his future as an inventor.