Susie's new little sister has a gift for magic, but it's causing problems for the community. Will Susie learn to accept that Mildred is more powerful, and will the townsfolk be able to accept the most powerful witch in the world?

On her 15th birthday, Susie must prepare for her Gibbous Rite Ceremony. Will Mildred be able to keep her chaotic magic in check for just one day so Susie can become the full witch woman of her dreams?

Locked in a standoff with Susie over who will say sorry first, Mildred runs away to the woods and befriends a ghost. Will one of the McAllister sisters give in and apologize before the townsfolk run Mildred out of town?