You are experts in demonology and the paranormal, and you received a call from a family claiming that their house was possessed by demons. They tried various methods to deal with this evil, but all attempts were unsuccessful. This haunted house is home to a great evil that has resided on this planet for centuries and which does not intend to leave this family alone. You have a very difficult task ahead of you and you will need great courage to destroy the demons forever who will do anything to stop you.