One year has passed since the supernatural nightmare at Freddy Fazbear's Pizza. Former security guard Mike has kept the truth from his 11-year-old sister, Abby, concerning the fate of her animatronic friends. When Abby sneaks out to reconnect with Freddy, Bonnie, Chica and Foxy, she sets into motion a terrifying series of events that reveal dark secrets about the true origin of Freddy's.