The makers of the latest Wallace and Gromit outing, A Matter of Loaf And Death, have revealed more plot details of the film, which will see the pair running a bakery called Top Bun.The storyline will revolve around the murderous Cereal Killer, who targets local bakers. While Top Bun’s business does well as the competition is killed off, Gromit worries that the pair may become victims themselves. Meanwhile, Wallace is oblivious to the threat as he has fallen in love with former star of the Bake-O-Lite advertisements, Piella Bakewell. However, he soon makes a discovery that points to the identity of the Cereal Killer, but will the truth ever be revealed?The 30-minute programme will premiere on BBC One this Christmas and was produced by Aardman Animations. Kingsmill will be partnering Wallace & Gromit in the run-up to the launch of the new film ‘A Matter of Loaf and Death’. Starting in December, Kingsmill will launch an on-pack campaign called ‘Win a Prize of a “Loaf” Time’. It will feature across the Kingsmill Great Everyday White Bread (440g and 800g), Kingsmill Love to Toast Bread (800g) and Kingsmill Crusts Away White Bread (400g) lines.The National Association of Master Bakers (NAMB) is also promoting the Wallace and Gromit film in craft bakeries through point of sale material.