The cheese patrol has lost many of its members and the remaining mice are nearing the point of starvation; all because of the new, viciously efficient feline that guards the barn’s cheese. Into this seemingly hopeless deathtrap enters town-mouse Herman, who decides to help his fellow mice and use his own brand of skills to get rid of the lethal cat once and for all. To do this Herman decides to throw the cat down the farm's well, but he finds that this feline isn’t that easy to get rid of.