Five Nights at Freddy's 2 ending explained

The sequel to "Five Nights at Freddy's" ends with the Marionette possessing Abby, who is then rescued by Mike using a music box. Vanessa's secret brother, Michael, reveals himself as an antagonist working to finish their father's work, but the original animatronics intervene to defeat the Toy animatronics. The film concludes with William Afton's spirit awakening in the Springtrap suit and a warning that the Marionette is still a threat.