Build a movie plot around this: Who turns out to be Charlie? David
The answer to this question is:
Following his discovery of the body of his wife in a bathtub after her suicide, Dr. David Callaway (Robert De Niro), a psychologist working in New York City, decides to move with his 10-year-old daughter Emily (Dakota Fanning) to upstate New York. There, Emily makes an apparently imaginary friend she calls "Charlie". Her friendship with Charlie begins to disturb David when he discovers their cat dead in the bathtub, whom Emily claims was a victim of "Charlie". Meanwhile, David suffers from nightmares of the New Year's Eve party that occurred the night before his wife died.When a family friend, named Katherine (Famke Janssen), comes to visit David and Emily, Emily reveals that she and Charlie have a mutual desire to upset her father. Soon, they meet a man and a woman who are their neighbors. David is wary of their unusual interest in Emily. He later discovers that the reason for this is that the couple had a daughter who recently died from cancer and looks like Emily. Later, when David visits the woman, she nervously and ambiguously implies that her husband has begun abusing her in response to their child's death, emotionally and perhaps even physically.David meets local woman, named Elizabeth (Elisabeth Shue) and her niece, Amy, who is roughly the same age as Emily. Hoping to cultivate a new, healthy friendship for Emily, David sets up a playdate for her. Amy is anxious to become friends immediately, but the playdate is spoiled when Emily cuts up Amy's doll's face. After Amy runs out of the house, Emily tells David that she doesn't need any more friends.Despite the unsuccessful playdate, David and Elizabeth hit it off. David invites her over to dinner one night, where Emily acts increasingly hostile towards her. Some time later, Elizabeth visits the house, hoping to make peace with Emily. When Emily tells her that she is playing hide-and-seek with Charlie, Elizabeth indulges her by pretending to look for Charlie. When she opens the closet, someone bursts out and pushes Elizabeth out a second-story window to...