Short review:

The Apparition is a supernatural thriller film directed and written by Todd Lincoln, and starring Ashley Greene, Sebastian Stan, Tom Felton, Julianna Guill, and Luke Pasqualino. When frightening events start to occur in their home, young couple Kelly (Ashley Greene) and Ben (Sebastian Stan) discover they are being haunted by a presence that was accidentally conjured during a university parapsychology experiment. The horrifying apparition feeds on their fear and torments them no matter where they try to run. Their last hope is an expert in the supernatural, Patrick (Tom Felton), but even with his help they may already be too late to save themselves from this terrifying force.