The Exorcism of Emily Rose is a 2005 American courtroom drama horror film directed by Scott Derrickson and starring Laura Linney and Tom Wilkinson. The film is loosely based on the story of Anneliese Michel and follows a selfproclaimed agnostic who acts as defense counsel Linney representing a parish priest Wilkinson, accused by the state of negligent homicide after he performed an exorcism. The film, which largely takes place in a courtroom, depicts the events leading up to and including the exorcism through flashbacks.
During the next few weeks, she suffers from hallucinations where peoples faces around her would turn into monstrous faces. Unable to eat as the demons will not allow it she becomes increasingly weak and weary, suffering from severe convulsions her body and mind start to break down. In response, her boyfriend brings her home to her family upon her fathers request after finding her contorted and catatonic. Days follow where Emily attempting to fight back against the demons tries to sustain nourishment from eating bugs but it does not avail. While possessed she starts to damage the house, and cause mutilations to herself. All the while receiving assistance from Father Moore who then brings in Dr.Cartwright to monitor Emilys health.Father Moore receives permission from the bishop to do an exorcism, but it ends in failure after Emily breaks from her restraints, runs to the family barn, and starts to communicate in the language of Jesus and his disciples. Before she faints, she reveals that she is possessed by the six demons that possessed Cain, Nero, Judas, Legion, Belial, and Lucifer. Later, according to a last letter she wrote, she was visited by the Virgin Mary, who explained that the demons will never leave. Emily then declines the Virgin Marys offer of immediate death, and accepts her suggestion to suffer further so that the world can believe in demon existence. ........
Source: Wikipedia