Break into the castle of a western witch. According to the encyclopedia of knowledge, a group of people in thewizardofoz, with the help of the northern witch, met the Wizard of Oz and refused to help four people, so they forcibly entered the castle of the western witch with the broom of the western witch. This is a musical fantasy film directed by victor fleming, starring Judy Garland, Frank Morgan, ray bolger, bertram and Jack Haley.