Don't Go to Sleep

Phillip, his wife Laura and his children Kevin and Mary travel to a large house in a small town where Phillip found a job. They meet with his mother-in-law Bernice that will live with them. The family is trying to overcome the loss of their daughter and sister Jennifer, who died in a car accident. Soon, Mary overhears sounds in her room and has an accident with fire in her bed. Then she meets the ghost of Jennifer in her room that gives bad advises to her. While Mary has sessions with the psychologist Dr. Cole, her grandmother, her brother and her father die in accidents. Is Mary with sanity problem or there is an evil entity in the house?