On Halloween, Mickey tells Pluto a story about two witches-in-training, Minnie the Wonderful and Daisy Doozy, who must pass four tests to graduate from the Witch Academy in Happy Haunt Hills. While Daisy isn't confident about passing, she and Minnie join forces, along with Count Mickula and the gang, to defeat a mischievous ghost. Minnie and Daisy learn that working together makes their magic and their friendship much stronger.