Rosie was the meanest cow in the world. Nobody Liked her. Except Marvin. Marvin loved Rosie.
Then the farm where Marvin’s father works in sold. Rosie is sold, too. Marvin is sad. He is very, very sad.
Mom, Dad, Marvin and May all move to a new farm. There are lots of cows. There are one hundred and twenty-one cows. Still Marvin is not happy. He wants Rosie. And soon Rosie comes back. But now she is the smallest cow in the world!