Alex and his Dad enjoy a night at Freddy's. Alex notices a mysterious door. The animatronics glitch, and Alex sneaks backstage. He and Bob, a technician, face malfunctioning, aggressive robots that capture them.
Bonnie and Foxy, now animatronics, uncover a plot by owner Mr. Smith to replace them with advanced models. Teaming up, they thwart his plan, restore order to Freddy's Pizza Place, and embrace their roles as its protectors.
The animatronics sense a looming threat as strange events hint at sabotage. They discover a figure manipulating their system and set out to uncover the source and protect their home.
Freddy, Chica, and Foxy experience strange glitches at Freddy's Pizzeria, leading them to discover their creator's dark experiments. They confront him, demanding answers about their manipulated origins.