This is a double feature review as about the two prequel to the Insidious films Chapter 3 and Chapter 4. 

Movie Summary Below: 

Insidious: Chapter 3- A prequel set before the haunting of the Lambert family that reveals how gifted psychic Elise Rainier reluctantly agrees to use her ability to contact the dead in order to help a teenage girl who has been targeted by a dangerous supernatural entity.

Insidioius 4: The Last Key: Parapsychologist Dr. Elise Rainier faces her most fearsome and personal haunting yet, as she is drawn back to her ghostly childhood home, where the terror began.