Mulva can't crack the final level of Koon Sheen Do, so her friends throw a wild Halloween-themed summer party to lift her spirits. When two bitter outcasts crash the fun and summon three demons bent on ruining the feast and unleashing chaos, Mulva must fight back. Geek meets succubus in an outrageous, gory comedy brawl, directed by Chris Seaver ("The Weirdsies").