With the future of the wizard world at stake, teenaged wizard Harry Potter enters into his final battle against the evil Lord Voldemort. Potter turns to friends, teachers, and other members of the Order of the Phoenix for help in defeating Voldemort's forces. The discovery of spies within the Order forces Harry and the others to choose their allies carefully.

Dorothy Gale lives with her Aunt Em and Uncle Henry. She has a pet dog named Toto. When Miss Gulch takes Toto away, Toto escapes and runs back to Dorothy. Soon, she runs away from home, and runs into the fake psychic, Professor Marvel. He tells Dorothy that her Auntie Em is sick, so Dorothy and Toto run back home, but a tornado comes and takes Dorothy and Toto to Oz, a place somewhere over the rainbow. She lands in Munchkinland. Her house accidentally...