The final scene shows Dr. Sullivan sitting in a diner with "A." She is clearly distressed and accepts an envelope from them, implying she was forced to help set up the girls.
She is lured to a barn and nearly dies from carbon monoxide poisoning before being "saved" by a vision of Alison.
Detective Garrett Reynolds reveals that "Page 5" of Alison's autopsy report—which contains evidence of how she was killed—is missing from the police files.
The final scene shows Dr. Sullivan sitting in a diner with "A." She is clearly distressed and accepts an envelope from them, implying she was forced to help set up the girls.
She is lured to a barn and nearly dies from carbon monoxide poisoning before being "saved" by a vision of Alison.
Detective Garrett Reynolds reveals that "Page 5" of Alison's autopsy report—which contains evidence of how she was killed—is missing from the police files.