A band of fearless chickens flock together to save poultry-kind from an unsettling new threat: a nearby farm that's cooking up something suspicious.

Gromit’s concern that Wallace is becoming too dependent on his inventions proves justified, when Wallace invents a “smart” gnome that seems to develop a mind of its own. When it emerges that a vengeful figure from the past might be masterminding things, it falls to Gromit to battle sinister forces and save his master… or Wallace may never be able to invent again!