A group of teens on a hayride led by "ghost expert", Spooky Sam. One of them finds a golden coin at Tökkentäkker's tombstone. Inserting it into the jester head named Umla they unwittingly bring a haunted amusement park to life. Armed with a shotgun, they battle zombies and monsters to escape through attractions like the Haunted House and the Freak Show, culminating in a showdown with Tökkentäkker aboard his airship in the Big Top. Betty is another girl trapped. Whatever you do don’t shoot her.