Horace and Morris, but mostly Dolores, love cheese. To them, Swiss is bliss, Muenster is magnificent, and nothing's better than cheddar. But everything changes when Dolores develops and allergy to her favorite food. Whoever heard of a mouse who can't eat cheese? Even worse, a food festival is coming to town, featuring - what else? - cheese!

Fortunately, Dolores is one resourceful little mouse. And she comes up with a solution to her problems that is far from cheesy!