The Caretaker.

Davi Carvalho is a psychology professor who wrote a book about how we project traumas of our past as paranormal events. A student from out of the city, Renata, appears in his life, asking for help for his little sister, Julia. Someone is hurting her and her father believes it is the ghost of a caretaker that lived in the family property years ago. Renata seeking for a rational answer, invites Davi to go to there family's house in order to find the truth behind it.