The Sinister (2009)

Clara is a 30-year-old who returns to her childhood home after conflicted times with her husband. Once she settles in the town, she notes something strange in the inhabitants of the place, and has a stormy reunion with her grandfather. Carlos, a police officer friend of Clara's, will help her solve the mystery that has haunted her since she was a child. The encounter with his diabolical grandmother, will allow to unmask the macabre truth.