The Monster Mash (GXG)

After losing her best friend to the Boogeyman, Mackenzie Mills goes from girl gang member to coward, but Mack has hope she can start fresh at a new school. However, when faced with a test of courage in order to join the Eerieville historical society, Mackenzie not only fails, makes a fool of herself, and nearly gets the hottest girl in the world killed, Mackenzie unleashes a horde of monsters that threaten the lives of her town and family.

Unfortunately, the only person that can help her is the ghost possessing her.