Madness lurks in the upstairs bedroom of homemaker Ellen Brown's seemingly calm, well-manicured suburban home. There, her husband George descends into a dark world of dementia brought on by a heart condition. Ellen's life becomes a living hell as she tries to keep their marriage alive, accommodating his every need. Convinced that his pretty wife and his doctor are plotting to kill him, George concocts a list of evidence along with a letter for the...