The animals on the farm are gentle and well-behaved. The obedient puppies, cute chickens, and flocks of sheep live healthily under the careful care of the farmer. However, whenever the farmer is not around, they will suddenly stand up and play wildly. They sing and dance, drink beer, and have parties. They even imitate humans and play tricks on them. Otis, the cow, is the most mischievous one among them. He actually plays alpine skiing. Otis's father Ben is the leader of the animals. He stands guard for them every day and protects them from attacks by wild wolves. Everyone respects and trusts him. Ben is getting older day by day. He hopes that his son Otis can take responsibility and protect the farm like himself. But Otis is too playful and always disappoints Ben. Once, Otis asked his father to stand guard for him in order to attend a party. It was this time that Ben sacrificed himself to protect the chickens. Otis deeply blamed himself and was discouraged for a while. Ben is watching Otis from heaven, watching him try to be a good leader and become a real man...