A charity fair comes into town, run by Monty Muzzle, to raise money for a new dog shelter. After dealing with three strays in their home, Wallace and Gromit go to the fair with Wallace's new invention to create any flavor of ice cream. At the fair, Gromit discovers that Mr. Muzzle's intentions aren't exactly charitable and decides to do something about it! Along the way, Wallace gains the attention of an ardent admirer who mistakes the fastening nut he is holding as an engagement ring!