Fan Casting Dead mans party (a stop motion film)

Kim Prescott is a girl who is going to spend time with her uncle Carter, in the city of Sourville while her parents are on a work trip, Sourville is a town in which due to an ancient agreement with humans and monsters is prohibited to celebrate Halloween, which has Kim dismayed because it is a holiday that enjoys a lot, At the same time, in the world of monsters, they have stopped scaring and frightening to dedicate themselves to a more conventional lifestyle. Billy is a ghost who still tries to be scary and loves Halloween decides to travel to the human world to practice his ghost skills, it is there where he meets Kim, with which he decides to break the deal that was signed many years ago, which unknowingly has caused a family of demons to awaken from a deep sleep to enslave the town and eat the souls of its inhabitants, now it is Billy and Kim's duty to get rid of the demons and expel them from the town, How will they do it? Very simple: scaring them.