Regression (2015)

Regression is a 2015 Canadian-Spanish-American psychological thriller horror film directed, produced and written by Alejandro Amenábar. The film stars Ethan Hawke and Emma Watson with David Thewlis, Lothaire Bluteau, Dale Dickey, David Dencik, Peter MacNeill, Devon Bostick and Aaron Ashmore.

The film had its world premiere at the San Sebastián International Film Festival on September 18, 2015.
The film takes place in Minnesota, in 1990. Detective Bruce Kenner (Ethan Hawke) investigates the case of John Gray (David Dencik) who admits to sexually abusing his own 17-year-old daughter, Angela (Emma Watson), but she has no recollection of it. Using an experimental technique to regain Angela's memories, Kenner discovers a terrifying Satanic cult and human sacrifice rituals.

IMDB