In 'The Korean Cinderella' by Shirley Climo, the story follows Pear Blossom, a beautiful girl who endures hardship after her mother's death. With the help of a magical black ox, she overcomes her stepmother's jealousy and eventually wins the love of a noble magistrate at a village festival. The tale explores themes of kindness, resilience, and the moral lessons learned through the challenges faced by Pear Blossom.