"This comedy-adventure follows Marnie and her younger siblings as they follow their estranged grandmother - a good witch (Debbie Reynolds) - to her home in Halloweentown, where witches, goblins, vampires and the like lead very normal lives. On her 13th birthday, Marnie learns that she comes from a witch family and that she, too, is a witch. When she discovers that an evil force is plotting to take over Halloweentown, she must help her mother and grandmother save the day."