A donkey wants to be a cow but needs his animal friends to help him learn how to moo first.

When Interrupting Cow tries to help Old Dog learn a new trick, they both end up learning something new.

A trio of cows - Maggie, Mrs. Calloway and Grace - hit the high prairie to track down a cattle rustler named Alameda Slim in hopes that the reward money will save their farm. With the aid of Buck, a horse with heroic ambitions, the bovine avengers track the villain to his lair and save the day.