The Haunting in Connecticut (2009) ending / spoiler
Matt tears apart the basement and reveals the bodies, used by Dr. Aickman years ago, from within the walls. Matt burns the bodies so that the tormented spirits can be freed. Firefighters rescue Matt from the burning house. With the bodies burned, Jonah and the other spirits can now rest in peace. Matt's cancer goes away and no more disturbances were reported in the house.
Submitted by Alex