You as William Afton, the person responsible of the 1985 missing children's incident, came back a few years later. You head to the back to do some things but all of a sudden you see 5 siloettes of.. Children? Wait a minute thats the 5 children you killed back in 1985 (Susie, Jeremy, Gabriel, Fritz and the last one Cassidy) and then you remember all of the murders but now you have little time because the vengeful spirits come closer, closest was Cassidy because you remembered she was the most brutal kill