Pierre is a 30-year-old dairy farmer who only takes over the family farm, the cows, his sister who is a veterinarian and his parents. The sudden case of "mad cow disease" in France broke Pierre's quiet life. When it was reported in the news that the epidemic was spreading and could spread among his cows, Pierre did everything he could to hide the epidemic and avoid the collapse of his farm and life as a whole. Finally, with the help of his sister, Pierre came to his senses and found a way to solve the problem.