Farmers Big and Bluster are bickering over who has the biggest and best cornfield. Meanwhile, Farmer Smarts is quietly confident that his is the best, but he's not saying anything! One day all three farmers find Mice all over the fields! So they decide to take control of the situation by building mousetraps. Farmers Big and Bluster, in their extravagant, bombastic way, both go to town trying to outdo each other by building huge machines to trap the mice. The mice carry on munching regardless! Meanwhile, Farmer Smarts has got himself a Fat Cat who is the most successful mousetrap of all!