In the psychological film Misery, famous author Paul Sheldon is involved in a car accident due to heavy snowstorm. After waking from unconsciousness, Paul finds himself days later in the home of a stranger to a woman named Annie Wilkes. She had apparently followed Paul through the icy roads and came to the rescue after the accident. Paul lay helpless in bed, injured with broken legs and a dislocated shoulder. Annie is a registered nurse and felt honored to care for Paul. Annie insisted she was Paul's number one fan, having read all of Paul's "Misery" novels. Annie loved Paul's work because it brought her happiness. A few days later, he comes across the eighth and final novel "Misery", which has just been published. After finishing reading the latest novel she is shocked and extremely upset by the ending. Annie clearly expresses her feelings to Paul about the novel's character's death and insists that he has made a terrible mistake. Holding Paul hostage in her care, she forces him to rewrite the novel in her favor, bringing the novel's character back to life. Paul then realizes that he must escape from Annie. At first impression Annie Wilkes appears to be a kind and calm woman. As time passes Paul begins to notice Annie's mood swings and violent anger, as if she forces him to burn her latest manuscript because of the foul language. At the beginning of the film Annie's abnormal personality begins to manifest itself. It is obvious that Annie appears to have a personality disorder. Shows conflicting episodes, frequent tempers, and poor impulse control. The film portrays Annie as suffering from bipolar disorder. He also appears to have characteristics of borderline personality disorder. Page Break Bipolar disorder is defined as… half of the paper… fact, unstable relationships, mood changes, lack of impulse control, and suicidal thoughts (Grohol, 2007). A small detail can trigger an angry reaction. In the article Medical News Today (2012) it is indicated that patients with this disorder may view things and people with extreme idealization and devaluation. Mood disorders are more common comorbidities in women than in men (Bisken, Paris, 2013). Like many personality disorders, there are several possible causes for the development of borderline personality disorder. From a biological perspective it has a high degree of heredity. Genes inherited from a parent can be the cause of the development of borderline personality disorder (Medical News Today, 2012). From another point of view it may be due to a traumatic event or childhood neglect. Borderline personality disorder is likely caused by a mix of contributors.