Here is my plot idea for the fifth film in the Halloweentown series.
Halloweentown: To the Witch Power
Every time Marnie Piper has always save Halloweentown from dark forces, but now she's the one that needs to be saved and the only one that can save her is...her baby sister, Sophie.
Setting four years after the fourth one, Marnie haven't contact her family in two years, her mother Gwen gets worried, but Aggie, her grandmother, knows Marnie is alright. Gwen starts questioning her desicion to let Marnie stay in Halloweentown and seeks Dylan to find her. However, they get a surprise when their old...