Before Annabelle of the "Conjuring" movie series, there was another terrifying doll. After a vintage Chucky doll turns up at a suburban yard sale, an idyllic American town is thrown into chaos as a series of horrifying murders begins to expose the town's hypocrisies and secrets. Meanwhile, the arrival of enemies and allies from Chucky's past threatens to expose the truth behind the killings, as well as the demon doll's untold origins as a seemingly ordinary child who somehow became this notorious monster.